In Exercises 87-92, find the exact value of each expression. Write the answer as a single fraction. Do not use a calculator. 37 sin 2 87. sin cos T cos 88. sin cos 0 - 4 sin cos 7 6. 57 sin 6 117 11 89. sin cos 4 + cos 6 177 177 + cos 3 57 sin 4 90. sin cos 3 4 37 91. sin tan 15т 57 cos 4 37 92. sin tan 2 3 + cos 6 4)

Q: Which expression is equivalent to cos135\deg cos30\deg -sin135\deg sin30\deg ?

A: Find the value of the problem by evaluating the trigonometric function by the method shown below.

Q: 1024 (cos 250° +i sin 250°) Enter the first root below and the remainder of the roots on your…

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Q: sin 6r Use the half-angle formulas to simplify the expression, 1+cos 6x sin23x + tan3x tan12x 1-…

A: Using half angle formula's.

Q: Simplify expression

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Q: The Equivalent expression of cos (4 A) is

A: we know that sin2A = 2sinA cosA cos2A = 1-2 sin^2 A

Q: Use a sum or difference formula to find the exact value of the expression sin 80° cos 50° - cos 80°…

A: Our aim is to find the exact value of the expression given below:-sin 80° cos 50° - cos 80° sin 50°…

Q: Determine the Quadrant in which angle O is located if cos < 0 and tan 0 > 0 (please see…

A: The problem is asking us to determine the quadrant in which an angle O is located given that cos(O)…

Q: Use identities to fill in the blank. 2 then - sin (-0) = 3' If sin 0 = - sin (-0) = (Type an integer…

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Q: tan 60° cos 629 sin 26°

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Q: Find the value of tan sin 2 3 3 O-5

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Q: In Exercises 99–102, find the exact value of each expression. Do not use a calculator. 99. sin cos-…

A: Since, you have asked multiple question, we will solved the first question for you. If you want any…

Q: Verify the identity. cos 7x- cos 9x tan 8x sin 7x- sin 9x Statomont

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Q: Evaluate and draw picture  sin(4pi/3)

A: GIVEN DATA : Expression Sin4π3 TO FIND : Evaluate and draw the picture of the given expression Given…

Q: Determine if true sin 60°cos 45° +cos 60° sin 45° = sin 105

A: Given expression