Question

Given the function f (x) = 5 sin x cos x, then the derivative of the two functions is ....​

Answer 1

Answer:

• f (x) = 5 sin x cos x

• f (x) = (5/2) 2sin x cos x

• (5/2) sin 2x

• f '(x) = (5/2) (2) cos 2x = 5 cos 2x

• f "(x) = 5 (-2) sin 2x

•         - 10 sin 2x