f(x)=sin(x+5π/2),g(x)=cos(x+5π/2),这两个函数是奇是偶
已知函数f(x)=cos(2x-π/3)+2sin^2 x (2)设函数g(x)=[f(x)]^2+f(x),求g(x)
已知函数f(x)=cos(2x-π/3)+sin^2x-cos^2x,设函数g(x)=[f(x)]^2+f(x),求g(
已知函数f(x)=sin(2x+π/6)+sin(2x+π/6)+2cos²x
(2010•长春三模)已知函数f(x)=sin(x+π2),g(x)=cos(x−π2),设h(x)=f(x)g(x),
关于函数f(x)=2sin(x+φ)(φ为常数)和g(x)=−12cos(2x+π6)(x∈R),h(x)=f(x)+g
已知函数f(x)=2sin(x+5π/24)cos(x+5π/24)-2cos²(x+5π/24)+1
已知函数f(x)=(1/2)cos(2x+2π/3),g(x)=(1/2)sin(2x+2π/3).
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)=cos x -sin x /2,g (x )=1/2sin 2x -1/4.
已知函数f(x )=sin ^2x +2√3sin x cos x +3cos^x 、求函数f (x )的单调增区间
已知函数f(x)=(√3/2)sinπx+(1/2)cosπx,x∈R
函数f(x)=根号3sinωx+cosωx(ω>0)怎样变为f(x)=2sin(ωx+π/6)