Four trigonometric identities are given by: 3 a) Sin 4x = 4sin x cos x - 8sin' x cos x 1- tan²x %3D b) Cos 2r = 1+tan?x c) tan 4x 4tanx-4tan³x d) sin³x = (3sinx – sin 3x) 1-6tan2x+tan4x For each part,...

Subject Computer Programming

The following problems can be solved by writing commands in the command window.

Extracted text: Four trigonometric identities are given by: 3 a) Sin 4x = 4sin x cos x - 8sin' x cos x 1- tan²x %3D b) Cos 2r = 1+tan?x c) tan 4x 4tanx-4tan³x d) sin³x = (3sinx – sin 3x) 1-6tan2x+tan4x For each part, verify that the identity is correct by calculating the values of the left and right sides of the equation, substituting x =12°.