f(x)=2-cos(2x-π/3)-2sin²x,x∈{0,π/2},求f(x)值域
f(x)=2sin(x)-3cos(x) x属于(0,派) 求f(x)的值域
f(x )=cos^4x-2sinxcosx-sin^4x (1)求周期T (2)若x∈【0,π/2】求f(x)值域
函数f(x)=sin²x+2cos(π/2+x)的值域为
设函数f(x)=cos(2x+π/3)+sin^2x-1/2,当x∈[0,π]时,f(x)的值域为
已知函数f(x)=sin^2x+根号3sinxcosx+2cos^2x当x∈【0,π/4】时求值域
已知函数f(x)=cos(2x-π\3)+sin²x-cos²x
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f(x) =sin^2 x +2sinx cos x + 3 cos^2 x ,x∈(0 ,π) .
函数f(x)=(sin x-1)/(3-2cos x-2sin x)^(1/2) (0≤x≤2π) 的值域是( )
求函数f(x)=sin(2x+π/3)+2cos^2(2x+π/3),x∈(-π/3,π/6]的值域
已知f(x)=sin²x+2sinxcosx+3cos²x,x∈R,求:函数f(x)在区间[0,π/
函数f(x)=sin^x+2倍根号3sinxcosx+3cos^2x若x属于[0,π/2]求值域?