f(x)=sin(2x+θ)+2√3[1+cos(2x+θ)]/2-√3 =sin(2x+θ)+√3cos(2x+θ) =2sin(2x+θ+π/3)是偶函数 f(-x)=f(x) 2sin(-2x+θ+π/3)=2sin(2x+θ+π/3) 所以-2x+θ+π/3=2kπ+2x+θ+π/3或-2x+θ+π/3=2kπ+π-(2x+θ+...