Algebra and Trigonometry (10th Edition)
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; ; The circumference of a circle of radius is ... more
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. ; For uniform motion, the distance d covered in ... more
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Standard position ; If the vertex of an angle is ... more
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Central angle ; If the vertices of the initial and... more
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Since 1 degree is equal to revolution of a circle... more
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; The length of arc on a circle of radius and ... more
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Since radians is equal to revolution of a circle... more
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; A linear speed of an object is the distance ... more
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For a motion along the circle, an angular speed of... more
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For a motion along the circle, the linear speed ... more
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; An angle of is of a right angle.Draw the ... more
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; An angle of is of a right angle.Draw the ... more
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; An angle of consists of a rotation through ... more
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; An angle of consists of a clockwise rotation ... more
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; An angle of consists of 1 revolution followed ... more
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; An angle of consists of 1 revolution followed ... more
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; Convert the angle in radian to degree. ; An ... more
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; Convert the angle in radian to degree. ; An ... more
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; Convert the angle in radian to degree. ; An ... more
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; Convert the angle in radian to degree. ; An ... more
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; Convert the angle in radian to degree. ; The ... more
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; Convert the angle in radian to degree. ; The ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; ; Substitute for... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle. ; Substitute for ... more
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; Rewrite the given angle as the sum of degrees, ... more
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; Rewrite the given angle as the sum of degrees, ... more
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; Rewrite the given angle as the sum of degrees, ... more
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; Rewrite the given angle as the sum of degrees, ... more
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; Rewrite the given angle as the sum of degrees, ... more
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; Rewrite the given angle as the sum of degrees, ... more
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; Rewrite the expression as the sum of integers ... more
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; Rewrite the given angle as the sum of integers ... more
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; Rewrite the expression as the sum of integers ... more
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; Rewrite the expression as the sum of integers ... more
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; Rewrite the expression as the sum of integers ... more
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; Rewrite the expression as the sum of integers ... more
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5 meters ; Substitute 10 fo and for into the ... more
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12 feet ; Substitute 6 for and 2 for into the ... more
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6 feet ; Substitute 2 for and for into the arc ... more
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24 centimeters ; Substitute 6 for and for in ... more
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; Substitute 5 for and 3 for into the arc ... more
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; Substitute 6 for and 8 for into the arc ... more
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; Convert the angle given in degrees into ... more
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; Convert the angle given in degrees into ... more
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; Substitute 10 for and for into the sector ... more
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; Substitute 6 for and 2 for into the sector ... more
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; Substitute 2 for and for into the sector ... more
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; Substitute 6 for and for into the sector ... more
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; Substitute 5 for and 3 for into the sector ... more
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; Substitute 6 for and 8 for into the sector ... more
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; Convert the angle given in degrees into ... more
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; Convert the angle given in degrees to radians.... more
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: ; : ; Substitute 2 for and for into the arc ... more
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: ; : ; Substitute 4 for and for into the arc... more
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: ; : ; Convert the angle given in degrees into... more
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: ; : ; Convert the angle given degrees into ... more
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; The central angle for 60 minutes (1 revolution... more
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; Convert the angle given in degrees into ... more
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; Convert the angle given in degrees into ... more
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; Convert the angle given in degrees into ... more
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; Convert the angle given in degrees into ... more
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; Substitute the sprinkler radius, 15, for and ... more
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; Convert the angle given in degree into radian.... more
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; Convert the angle given in degree into radian.... more
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Angular speed: ; Linear speed: ; To calculate ... more
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Angular speed: ; Linear speed: ; Substitute 5 ... more
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; To convert the angular speed of the drive in ... more
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; To convert the angular speed in revolution per ... more
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; To convert the angular speed of the drive in ... more
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; To convert the angular speed of the drive in ... more
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; Convert the linear speed in inches per minute ... more
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; ; Convert the angular speed of the car from ... more
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; Calculate the central angle between city M city... more
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; To calculate the central angle between city C ... more
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; The earth completes 1 revolution on its axis in... more
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; The earth completes 1 revolution on its axis in... more
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; To calculate the distance travelled by the moon... more
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; To calculate the distance travelled by earth in... more
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; Let the angular speed of 2-inch pulley be .... more
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Linear speed: ; Angular speed: ; To calculate ... more
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; Convert the angular speed of the wheel from ... more
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; Convert the angular speed of the wheel from ... more
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; Convert the linear speed of the cable from ... more
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; To calculate the linear speed of the rays of ... more
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; The total area wandered by the dog is equal to... more
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; The central angle for the rectangle is ... more
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; The radius of the earth is 3960 miles.The earth... more
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; Convert the central angle from minute to radian... more
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Radius: ; Circumference: ; The circumference of ... more
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Entire Proof Answer:Use the linear speed formula ... more
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An angle measures in radian is easiest to define ... more
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1 radian is an angle subtended by an arc of a ... more
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1 radian is larger than 1 degree. ; In a complete ... more
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An angular speed of an object is the angle swept ... more
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True; the angle which is measure in degree can be ... more
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Nautical mile is used for navigating and charting.... more
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A 5-speed derailleur has 5 sprockets whereas a 9-... more
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The account for the difference is circular path.... more
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; Substitutes 0 for to calculate the zero of the ... more
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; Add to both sides of the given equation. ; ... more
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; To find the new function by shifting the graph ... more
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Horizontal asymptote: ; Vertical asymptote: ; In ... more
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; Substitute 6 for and 10 for into the ... more
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8 ; Substitute 5 for into the given function. ; ... more
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complementary ; Two acute angles having sum , a ... more
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Cosine ; Consider that, in a right-angled triangle... more
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; The cofunctions of the complementary angles are... more
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Consider a right-angled triangle with the lengths ... more
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The trigonometric functions in a right triangle is... more
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The fundamental trigonometric identity is . So, ... more
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Use the reciprocal identity of trigonometric ... more
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The tangent and cotangent function are cofunction ... more
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; ; ; ; ; ; Use the Pythagorean theorem, , where ... more
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; ; ; ; ; : ; Use the Pythagorean theorem, , where... more
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; ; ; ; ; ; Use the Pythagorean theorem, , where ... more
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; ; ; ; ; ; Use the Pythagorean theorem, , where ... more
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; ; ; ; ; ; Use the Pythagorean theorem, , where... more
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; ; ; ; ; ; Use the Pythagorean theorem, , where ... more
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; ; ; ; ; ; Use the Pythagorean theorem, , where ... more
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; ; ; ; ; ; Use the Pythagorean theorem, , where ... more
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; ; ; ; ; ; Use the Pythagorean theorem, , where ... more
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; ; ; ; ; ; Use the Pythagorean theorem, , where ... more
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; ; ; ; Substitute the values of and into the ... more
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; ; ; ; Substitute the values of and into the ... more
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; ; ; ; Substitute the values of and into the ... more
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; ; ; ; Substitute the values of and into the ... more
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; ; ; ; ; The trigonometric ratio , so according ... more
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; ; ;; ; Cosine function is the ratio of the ... more
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;; ; ; ; Cosine function is the ratio of the ... more
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;; ; ; ; Sine function is the ratio of the ... more
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:; : ; : ; : ; : ; Tangent function is the ratio ... more
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; ; ; ; ; Cotangent function is the ratio of the ... more
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;;;; ; Substitute 3 for into the Pythagorean ... more
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;;;; ; Substitute 5 for into the Pythagorean ... more
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;;;; ; Substitute for into the Pythagorean ... more
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;;;; ; Substitute for into the Pythagorean ... more
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;;;; ; Cosecant function is the ratio of the ... more
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;; ;; ; Cotangent function is the ratio of the ... more
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; Use the Pythagorean Identity, , to find the ... more
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1 ; Use the Pythagorean Identity, to find the ... more
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; Use the reciprocal identity, , to find the ... more
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; Use the reciprocal identity, , to find the ... more
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0 ; Use the quotient identity, , to find the value... more
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0 ; Use the quotient identity, , to find the value... more
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0 ; Use the theorem, , to find the value of the ... more
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0 ; Use the theorem, , to find the value of the ... more
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1 ; Use the theorem, , to find the value of the ... more
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1 ; Use the theorem, , to find the value of the ... more
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0 ; Use the Pythagorean Identity, , to rewrite the... more
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0 ; Use the Pythagorean Identity, , to rewrite the... more
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0 ; Use the theorem, , to simplify the given ... more
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0 ; Use the theorem, , to simplify the given ... more
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1 ; Use the complementary angle theorem, , to ... more
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1 ; Use the complementary angle theorem, . ; Use ... more
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1 ; Use the complementary angle theorems, and... more
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1 ; Use the complementary angle theorems, and... more
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; Apply the complementary theorem, , into the ... more
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; Apply the complementary theorem, .Apply the ... more
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; Apply the complementary theorem, , into the ... more
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; Apply the trigonometric identity,, into the ... more
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; Substitute for into the given expression and ... more
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; Substitute for into the given expression and ... more
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; Substitute for into the given expression and ... more
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; Substitute for into the given expression and ... more
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; Substitute for into the given expression and ... more
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; Substitute for into the given expression and ... more
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In ,In ,In ,This implies that ; Draw ... more
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In In . ; Draw the perpendicular on axis.Draw ... more
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In , In , ; Let the radius of small circle be ... more
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Entire Proof Answer: Convert this equation into ... more
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; ; ; ; ; Draw a triangle using the given ... more
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The value of lies between and 1, but is an ... more
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The value of ranges between and 1, for the ... more
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The sine function is the ratio of the length of ... more
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First method; It is easier to find out the values ... more
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; The argument of the given logarithmic function ... more
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, ; A complex zero always occurs in pairs. This ... more
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; Apply remainder theorem, substitute for into ... more
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; Sketch a diagram with the help of the given ... more
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; Since and , substitute 1 for and for into ... more
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; Change MODE of graphing utility to radian and ... more
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Consider a right-angled triangle with an acute ... more
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For 3 acute angles, , and , the values of the ... more
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Since , use reciprocal identity,The option does ... more
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Set MODE of graphing utility to degrees and enter... more
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; ; ; ; ; ; Consider a right triangle with ... more
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; ; ; ; ; ; ; ; ; ; ; Consider a right-... more
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; Substitute values of and into the given ... more
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; Substitute the values of and into the given ... more
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; Substitute the values of and into the given ... more
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; Substitute the values of and into the given ... more
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; Substitute the values of and into the given ... more
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; Substitute the values of and into the given ... more
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; Substitute the values of and into the given ... more
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1 ; Substitute values of and into the given ... more
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; Substitute values of and into the given ... more
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; Substitute values of and into the given ... more
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; Since and , substitute for both and into ... more
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; Since and , substitute for and for into ... more
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2 ; Since and , substitute 1 for and for into ... more
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; Since and , substitute for and for into ... more
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; Since and , substitute for and for into ... more
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2 ; Since and , substitute 1 for both and into ... more
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; Since , substitute for into the given ... more
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7 ; Since , substitute for into the given ... more
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; Since and , substitute for both and into ... more
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3 ; Since and , substitute 2 for and 1 for into ... more
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0 ; Since and , substitute for and for into ... more
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; Since and , substitute for and for into ... more
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; Change MODE of the graphing utility to degrees.... more
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; Change MODE of the graphing utility to degrees.... more
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; Change MODE of the graphing utility to degrees.... more
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; Change MODE of the graphing utility to degrees.... more
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; Change MODE of the graphing utility to degrees.... more
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; Change MODE of the graphing utility to degrees.... more
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; Change MODE of the graphing utility to radians.... more
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; Change MODE of the graphing utility to radians.... more
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; Change MODE of the graphing utility to radians.... more
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; Change MODE of the graphing utility to radians.... more
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; Change MODE of the graphing utility to radians.... more
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; Change MODE of the graphing utility to radians.... more
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; Change MODE of the graphing utility to radians.... more
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; Change MODE of the graphing utility to radians.... more
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; Change MODE of the graphing utility to degrees.... more
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; Change MODE of the graphing utility to degrees.... more
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; Change MODE of the graphing utility to radians.... more
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; Change MODE of the graphing utility to radians.... more
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; Simplify the expression . ; Substitute for ... more
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; Simplify the expression . ; Substitute for ... more
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; Substitute the value of and into the original... more
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; Substitute the values of and into the ... more
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; Substitute the value of and into the original... more
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; Substitute the value of and into the ... more
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; Substitute the value of and into the ... more
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1 ; Substitute the value of and into the ... more
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Leg 1: ; Leg 2: ; Let the opposite side of the ... more
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Leg1: ; Leg2: ; Let the opposite side of the given... more
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Range: ; Height: ; Substitute the value for , ... more
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Range: ; Height: ; Substitute the value for , ... more
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Range: ; Height: ; Substitute the value for , ... more
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Range: ; Height: ; Substitute the value for , ... more
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; Substitute the value of into the equation. ; ... more
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1 ; Use quotient identity, to rewrite the ... more
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1 ; Use quotient identity, to rewrite the ... more
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; Use the complementary angle property, . ; Use ... more
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; Use complementary angle theorem, . ; Use ... more
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; Draw the triangle with the provided values. ; ... more
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; Draw the triangle with the provided values. ; ... more
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; Draw the triangle with the provided values. ; ... more
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; Draw the triangle with the provided values. ; ... more
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; Draw the triangle with the provided values. ; ... more
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; Draw the triangle with the provided values. ; ... more
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; Draw the triangle with the provided values. ; ... more
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580 feet ; Let the height of balloon be .Draw a ... more
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; Draw a right-angled triangle with . ; Take and... more
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; Construct a right triangle with . ; Observe ... more
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; Draw a right triangle with the provided values... more
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; Draw a right triangle the given values.Let ... more
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; Use the labelled diagram of highway to find the... more
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No; 1 foot ; Draw a right triangle having the ... more
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from the upper left ; Consider the ball hits on ... more
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· As the angle approaches to , the value... more
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As the angle approaches to , the value of ... more
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Draw an equilateral triangle. Use the Pythagorean... more
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Assume the peak of the canyon is at 'N', and the ... more
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Assume the height of the building from the ground ... more
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All real numbers ; Apply the distributive property... more
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Vertex: ; axis of symmetry: ; The vertex of the ... more
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; Take logarithm on both sides of the equation.... more
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; Factor out and 3 from the equation and ... more
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tangent ; Consider the quadrants of the following ... more
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coterminal ; Two angles are coterminal, if they ... more
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; The measure of the terminal side of an angle ... more
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Since the angle lies in III quadrant, this ... more
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The value of is 1 while the value of is 0.Apply ... more
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The angle which measures the closest distance of a... more
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; The measure of the terminal side of an angle ... more
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In quadrant I, all the trigonometric functions are... more
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, ; The trigonometric function is given as, . ... more
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The acute angle formed by the terminal sides of an... more
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; ; ;;; ; Draw the point on the rectangular ... more
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; ; ; ; ; ; Draw the point on the rectangular ... more
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; ; ; ; ; ; Draw the point on the rectangular ... more
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; ; ; ; ; ; Draw the point on the rectangular ... more
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; ; ; ; ; ; Draw the point on the rectangular ... more
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; ; ; ; ; ; Draw the point on the rectangular ... more
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; ; ; ; ; ; Draw the point on the rectangular ... more
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; ; ; ; ; ; Plot the point on the rectangular ... more
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; ; ; ; ; ; Plot the point on the rectangular ... more
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; ; ; ; ; ; Plot the point on the rectangular ... more
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; The angle is positive and greater than .Draw ... more
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; The angle is positive and greater than .Draw ... more
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; The angle is positive and greater than .Draw ... more
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; The angle is positive and greater than .Draw ... more
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; The angle is positive and greater than .Draw ... more
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; The angle is positive and greater than .Draw ... more
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; The angle is positive and greater than .Draw ... more
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; The angle is positive and greater than .Draw ... more
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; Draw the angle . ; From the figure, the co-... more
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; Draw the angle . ; From the figure, the co-... more
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; The radian is positive.Find the co-terminal ... more
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; Plot the angle . ; From the figure, co-... more
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; Draw the graph representing signs of all ... more
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; Draw the graph representing signs of all ... more
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; Draw the graph representing signs of all ... more
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; Draw the graph representing signs of all ... more
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; Draw the graph representing signs of all ... more
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; Draw the graph representing signs of all ... more
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; Draw the graph representing signs of all ... more
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; Draw the graph representing signs of all ... more
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; The given angle lies in quadrant . Plot the ... more
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; The given angle lies in quadrant .Plot the ... more
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; The given angle lies in quadrant .Plot the ... more
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; Since lies in quadrant , plot the angle of in... more
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; Since lies in quadrant , plot the angle of in... more
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; Since lies in quadrant , plot the angle of in... more
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; Since lies in quadrant , plot the angle of in... more
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; Since lies in quadrant , plot the angle of in... more
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; Since lies in quadrant , plot the angle of in... more
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; Since lies in quadrant , plot the angle of in... more
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; Since lies in quadrant , plot the angle of in... more
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; Since lies in quadrant , plot the angle of in... more
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; Since lies in quadrant , plot the angle of ... more
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; Since lies in quadrant , plot the angle of in... more
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; Since lies in quadrant , plot the angle of ... more
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; Since lies in quadrant , plot the angle of ... more
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; Since lies in quadrant , plot the angle of in... more
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; Since lies in quadrant , plot the angle of ... more
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; Since lies in quadrant and is positive in ... more
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; Since the angle lies in quadrant and is ... more
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; The angle lies in quadrant . Draw the angle of... more
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; The angle lies in quadrant . Draw the angle of... more
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; The angle lies in quadrant . Draw the angle of... more
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; The angle lies in quadrant II. Draw the angle ... more
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; The angle lies in quadrant . Draw the angle of... more
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; The angle lies in quadrant . Draw the angle ... more
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; The angle lies in quadrant . Draw the angle of... more
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1 ; The angle lies in quadrant . Draw the angle ... more
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; The angle lies in quadrant. Draw the angle of... more
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; The angle lies in quadrant . Draw the angle of... more
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; The reference angle for is and . ; The angle... more
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; The reference angle for is and . ; The angle... more
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; The reference angle for is and . ; The angle... more
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; The reference angle for is and . ; The angle... more
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; The reference angle for is and . ; The angle... more
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; The reference angle for is and . ; The angle... more
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0 ; The reference angle for is 0 and . ; So, ; more
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1 ; The reference angle for is 0 and . ; The ... more
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0 ; The reference angle for is 0 and . ; The ... more
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Undefined ; The reference angle for is 0 and ... more
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; Draw the given angle on the coordinate axis. ; ... more
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; Draw the given angle on the coordinate axis. ; ... more
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; ; ; ; ; Since lies in Quadrant II, draw a ... more
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; ; ; ; ; Since lies in the quadrant IV, draw a ... more
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; ; ; ; ; Since lies in the quadrant III, draw a ... more
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; ; ; ; ; Since lies in the quadrant III, draw a ... more
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; ; ; ; Since lies in the quadrant II, draw a ... more
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; ; ; ; ; Since lies in the quadrant IV, draw a ... more
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; ; ; ; ; Since lies in the quadrant III, draw a ... more
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; ; ; ; ; Since lies in the quadrant III, draw a ... more
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; ; ; ; ; Since and in the quadrant II, draw a ... more
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; ; ; ; ; Since and in the quadrant III, draw a ... more
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; ; ; ; ; Since and is in the quadrant IV, draw ... more
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; ; ; ; ; Since and is in the quadrant II, draw ... more
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; ; ; ; ; Since and is in the quadrant III, draw... more
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; ; ; ; ; ; ; ; ; ; Find the values of the ... more
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; ; ; ; ; Since and that means is in ... more
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; ; ; ; ; Since and that means is in quadrant ... more
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; ; ; ; ; Since and that means is in ... more
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; ; ; ; ; Since and that means is in quadrant IV... more
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0 ; For angle , reference angle is and lies in ... more
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0 ; For angle , reference angle is and lies in ... more
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; In the given function the value of is ... more
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; In the given function the value of is positive... more
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3 ; In the given function, the value of is ... more
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; is negative, and thus, lies either in ... more
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; Determine using the reciprocal identity. ; The... more
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0 ; After the term, , write each sine function in ... more
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Reference angle of , , and is , which is ... more
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There are various methods of calculating the exact... more
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2,476,000 ; Substitute 32 for into the given ... more
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; ; ; ; ; ; Locate the given point in the standard... more
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; ; ; ; ; ; Locate the given point in the ... more
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;; ; ; ; ; Locate the given point in the standard... more
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; ; ; ; ; ; Locate the given point in the ... more
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; ; ; ; ; ; Locate the given point in the ... more
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; Use the periodic property, , to find the exact ... more
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where is any integer. ; Plot the graph for the ... more
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where is any integer. ; Plot the graph for the ... more
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where, is any integer. ; Plot the graph for the... more
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where, is any integer. ; Plot the graph for the ... more
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Odd; Yes; Origin ; To check if the sine function ... more
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Substitute 0 for into the equation, , and find... more
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3 ; Given that the amplitude is 3, that is... more
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Domain: Set of all real numbers; Range: ; Compare ... more
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Domain: Set of all real numbers, ; Range: ; ... more
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Domain: Set of all real numbers, ; Range: ; ... more
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Domain: ; Range: ; Obtain the value of amplitude ... more
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Domain: Range: ; Obtain the value of amplitude ... more
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Domain: ; Range: ; Obtain the value of amplitude ... more
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Domain: ; Range: ; Obtain the value of amplitude ... more
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; Substitute for , for , for and 0 for into ... more
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Period: ; Amplitude: 220 amperes ; Compare the ... more
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Period: ; Amplitude: 120 amperes ; Compare the ... more
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Amplitude: 3; Period: ; Phase Shift: ; Compare the... more
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Amplitude: 2; Period: ; Phase Shift: ; Compare the... more
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Amplitude: 3; Period: ; Phase Shift: ; Compare the... more
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Amplitude: 3; Period: ; Phase Shift: ; Compare the... more
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Amplitude: 2; Period: ; Phase Shift: ; Compare the... more
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Amplitude: 4; Period: 2; Phase Shift: ; Compare ... more
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Amplitude: 3; Period: ; Phase shift: \dfrac{\pi }{... more
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; Write the general form of the sinusoidal ... more
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Plot the graph of . ; Shift the obtained graph by ... more
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Period: second; Amplitude: 120 amperes; Phase ... more
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3 ; Rewrite the given expression using the ... more
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0 ; Write the values of and . ; ; Substitute ... more
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0 ; Use the odd function property for the tangent ... more
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1 ; Use the reciprocal identity for secant ... more
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1 ; Use the reciprocal identity for secant ... more
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1 ; Use the identity to rewrite the given ... more
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1 ; The period of sine function is . Simplify the ... more
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; ; ; ; ; As and , angle lies in Quadrant III... more
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; ; ; ; ; As and , angle lies in the Quadrant II... more
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; ; ; ; ; It is given that and angle lies in the... more
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; ; ; ; ; From the given information, lies in the... more
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; ; ; ; ; From the given information, lies in ... more
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Amplitude: 1; Period: ; Compare the given ... more
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; Set the MODE of the calculator to radians.Enter... more
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; Set the MODE of the calculator to degree.Enter... more
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; Set the radian mode into the calculator.Enter ... more
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in ... more
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; Substitute as into the function, . Apply the ... more
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; ; ; ; ; Substitute 5 for and 7 for to obtain... more
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; ; ; ; ; Substitute 2 for and 3 for to obtain... more
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; ; ; ; ; Substitute for and 5 for to obtain ... more
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; Apply the Pythagorean theorem, to calculate ... more
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; Draw angle and the given point. ; For the ... more
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; Draw angle and the given point. ; Find by ... more
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Compare the given equation with the standard form ... more
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Plot the graph of . ; Shift the obtained graph by... more
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; Substitute for into the formula of period to ... more
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; Let be the radius of the garden and be the ... more
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; Equate to and substitute for .Solve the ... more
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838 feet ; Let be the distance from statue to ... more
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; Sketch the visual diagram of the given problem... more
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; As the given equation is in the form , the ... more
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; Substitute for , for , and 5 for in the point... more
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; Substitute the point as the center and 4 for... more
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A lineSlope: Intercepts: and ; Subtract from ... more
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A circle with center at and radius 3 units. ; ... more
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To obtain the graph of , shift the graph of ... more
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; Substitute into the given function. ; ... more
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; Use the trigonometric identity, , to simplify ... more
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Plot the graph of . ; Vertically stretch the graph... more
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; Use trigonometry table for the values of the ... more
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; When the given graph passes through , the point... more
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; Amplitude and time period of the given function... more
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DayLength of the Day ; Visit the website and ... more
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Visit the website and record the data for year at... more
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; Visit the website and record the data for year ... more
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Longest day: 360th; Length: Shortest day: 174th; ... more
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22th of month 3; 25th of month 9 ; The sinusoidal ... more
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Vernal equinox and autumnal equinox match the ... more
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The model is based on regression method. It doesn'... more
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Both the two data tables give approximately the ... more