问题描述:
f(x)=cos(根号3*x+θ)-根号3*sin(根号3*x+θ)是偶函数,那么θ可以取哪些值?
A.π/6 B.π/3 C.-π/6 D.π/6
D.π/6 改成-π/3
A.π/6 B.π/3 C.-π/6 D.π/6
D.π/6 改成-π/3
问题解答:
我来补答展开全文阅读
问题描述:
问题解答:
我来补答