Verify that the trigonometric equation is an identity cos a

Last updated: 1/13/2024

Verify that the trigonometric equation is an identity cos a sec a cos acsc a csc a Which of the following statements establishes the identity OA cos a sec a cos2acsc a cos x OB OC cos a sec a cos x csc cos x 2 cos2x sec cos2a csc sin x 1 COS 1 2 COS 1 2 COS 1 sin 2 sin 1 2 sin cos 2 cos COS 2 sin x 2 1 2 a sin 1 2a sin 1 2 2 cos a sin csc 2 csc csc x