Which of the following is a valid step in proving the identity 1/ sin theta - sin theta  = cos 2 theta / sec theta ?   a. Multiply both sides of the equation by sin thetab. Add sin theta to both sides of the equation.c. Multiply both sides of the equation by cos  2 theta d. Write the left side as  1/ sin theta  - sin 2 theta / sin theta

Q: 6. Use the sum and difference identities to simplify the expression. '5T COS 12

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Q: C 32 40 В 24

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Q: determine which of the two values is greater.a. tan 1 or tan 2 b sin 1 or tan 1 c. cos 2 or sin 2

A: a) tan(1) or tan(2) :       We find exact values of tan(1) and  tan(2) on calculator,…

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Q: C 32 40 В 24 A

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.