已知函数f(x)=1-2sin^2(x+π/8)+2sin(x+π/8)*cos(x+π/8)

已知函数f(x)=cos(2x-π/3)+sin^2 x-cos^2 x 已知函数f(x)=cos(2x-π\3)+sin²x-cos²x 已知函数f(x)=1-2sin^2(x+π/8)+2sin(x+π/8)*cos(x+π/8) 已知函数f（x）=1-2sin平方（x+π/8）+2sin（x+π/8）点乘cos（x+π/8） 已知,函数f(x)=1-2sin(x+π/18)+2sin(x+π/8)cos(x+π/8),求最小正周期! 已知函数f(x)=sin(2x+π/3)+sin(2x-π/3)+2cos^2x-1 已知函数f(x)=(1+1/tanx)sin(x)^2 -2sin(x+π/4)*cos(x+π/4) 已知函数f(x)= [sin(2π-x)sin(π+x)cos(-x-π)] ／[2cos(π-x)sin(3π-x)] 已知函数f(x)=sin²(π/4+x)+cos²x+1/2求最值 已知函数f(x)=cos(-x/2)+sin(π-x/2),x∈R 已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4) 已知函数f(x)=sin(2x+π/6)+sin(2x-π/6)+2cos²x