f'(x)=g(x),则df(sin^2x)/dx=

问题描述:

f'(x)=g(x),则df(sin^2x)/dx=

g(sin^2x)sin2x

df(sin^2x)/dx=g(sin^2x)(sin^2x)'=g(sin^2x)2sinxcosx=g(sin^2x)sin2x