Find the exact value of the following expression. sin (-1) ... Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. sin (-1)-D %3D (Simplify your answer. Type an exact answer, using a as needed. Use integers or fractions for any nu B. The function is not defined.

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A: 1. y=5 cos3x-2π2. y=tan12x

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A: Use,  Cos (A) = 2 cos^2(A/2) - 1

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A: Topic:- algebra

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A: Given query is to solve the triangle.

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A: Topic  =Trigonometry

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A: topic - angles

Q: Question 49 1 In the interval0 < x < 2n how many values of a satisfy the equation sin? O4

A: The given equation is sin2x=14                                  ⇒sin(x)=±14⇒sin(x)=±12 So, sin(x)=-1...

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Q: Which angles have the same sine value? T and 6. 3 T and 3 3 O 4T and 3 3 and 3 3

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