Question

cos³ x differentiation please solve this problem​

Answer 1

Step-by-step explanation:

f(x)=cos³(x) is a composition of the functions x³ and cos(x), and therefore we can differentiate it using the chain rule.

Answer 2

Answer:

-sin^3x

Step-by-step explanation:

d(cosx)/dx=-sinx

d(cos^3x)/dx= -sin^3x