已知函数f(x)=(sinx+cosx)^2-2倍根号3cos^2x+根号3

问题描述:

已知函数f(x)=(sinx+cosx)^2-2倍根号3cos^2x+根号3
(1)求f(x)的单调递增区间
(2)求函数y=f(x+π/12),x属于[0,π/2]的值域

f(x)=(sinx+cosx)^2-2倍根号3cos^2x+根号3
=1+sin2x-√3(cos2x+1)+√3
=sin2x-√3cos2x
=2sin(2x-π/3)
令2kπ-π/2