函数f(x)=sin(2x-π4
已知函数f(x)=sin(π-x)sin(π2-x)+cos2x
已知函数f(x)=3sin(2x+π/4)+1(x∈R)
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)=sin(2x-π/6) ,
已知函数f(x)=sin^2 x+2根号3sinxcosx+sin(x+π/4)sin(x-π/4),x属于R,求f(x
已知函数f(x)=(1+cotx)sin^2(x)-2sin(x+π/4)sin(x-π/4)
已知函数f(x)=根号2sin(2x-π/4)
已知函数f(x)=㏒(1/2) [(根号2)sin(x-π/4)]
已知函数f(x)=2sin^2(π/4+x)-根号3cos2x
已知函数f(x)=1-根号2sin(2x-π/4)/cosx
已知函数f(x)=2sin²(π/4+x)-根号3cos2x
求函数f(x)=3sin(-2x+π/4)的减区间
f(x)=sin(3x-π/4) 若函数f(x)满足方程f(x)=a(0