Find the derivative of cos x 2x 3 July 8, 2019 16 32 64 128 Find the derivative of cos x cos 2x cos 3x Find the nth derivative of cos x cos 2x cos 3x Find the derivative of f x sin 2x cos 3x Find the 35th derivative of y cos 2x f 35 )( x Find the derivative of a trigonometric function Derivative of cos2y