设函数f(x)=cos(√3x+α)(0

问题描述:

设函数f(x)=cos(√3x+α)(0

f(x)+f’(x)=cos(√3x+α)-√3sin(√3x+α)
=2sin(π/6-√3x-α)
由于f(x)+f’(x)是奇函数且0