已知f(x)=4sin(2x-π/4)-1
已知函数f(x)=3sin(2x+π/4)+1(x∈R)
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)=(1+cotx)sin^2(x)-2sin(x+∏/4)sin(x-∏/4),若tana=2,求f(a
已知f(x)=4sin(2x-π/4)-1
已知函数f(x)=㏒(1/2) [(根号2)sin(x-π/4)]
已知函数f(x)=1-根号2sin(2x-π/4)/cosx
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)=sin(2x-π/6) ,
已知f(x)=cos^2x/1+sin^2x求f'(π/4)
已知函数f(x)=4cos²x+sin²x-4cosx-2 (1)求f(π/3)的值.(2)求f(x
已知函数f(x)=(4cos^4x-2cos2x-1)/[sin(π/4+x)·sin^2(π/4-x)]化简
已知函数f(x)=(4cos^4x-2cos2x-1)/[sin(π/4+x)·sin(π/4-x)]化简
已知函数f(x)=(1+1/tanx)sin(x)^2 -2sin(x+π/4)*cos(x+π/4)