14 5 44 sin 2Cos 11 An identity used in the solution is cos

Last updated: 3/19/2023

14 5 44 sin 2Cos 11 An identity used in the solution is cos 2x 1 2 cos x cos 2x sin x cos x a b c sin 2x 1 2 sin x d sin 2x 2 sin x cos x