已知函数f(x)=cos(2x-π/3)+2sin^2 x (2)设函数g(x)=[f(x)]^2+f(x),求g(x)的值域

问题描述:

已知函数f(x)=cos(2x-π/3)+2sin^2 x (2)设函数g(x)=[f(x)]^2+f(x),求g(x)的值域
已知函数f(x)=cos(2x-π/3)+2sin^2 x
(2)设函数g(x)=[f(x)]^2+f(x),求g(x)的值域

t=f(x)我想要具体的答案,谢谢.f(x)=sin(2x-π/6)+1t=f(x)t范围[0,2]设h(t)=h(f(x))=g(x)h(t)=t^2+t,t范围[0,2]值域[0,6]