f(x)=1/2sin2xsinψ+COS²xcosψ-1/2sin(π/2+ψ),(0
f(x)=1/2sin2xsinφ+cos^xcosφ- 1/2sin(π/2+φ).(0<φ<π),且过(π/6,1/
f(x)=1/2 sin2xsinφ+cos^2xcosφ-1/2sin(π/2+φ),其中φ = π/3 .
已知函数(x)=1/2(sin2xsin@+cos平方xcos@-1/2sin(π/2+@),(0<@<π)其图像过(π
已知函数f(x)=1/2 sin2xsinφ+cos^2xcosφ-1/2sin(π/2+φ)(0<φ<π)图像过点(π
证明sin4次方x+cos四次方x=1-2sin²xcos²x
1.f(x)=2 (cosωx)方+2sinωxcosωx+1 ω大于0 最小T=π/2
已知函数f(x)=sin^2ωx+√3cosωxcos(π/2-ωx)(ω>0)
已知函数f(x)=cos4x-1除2cos(2x+π/2)+cos²x-sin²x 求函数f(x)的
已知函数f(x)=a(cos^2 x+sin xcos x)+b.
求函数f(x)=sin^4x+cos^4x+sin^2xcos^2x/2-2sinxcosx-1/2sinxcosx+1
f(x)=√3/2cos²ωx +sinωxcosωx +a (其中ω>0,a∈R,)且f(x)的图像在y轴右
(1-(sin^4x-sin^2xcos^2x+cos^4x)/sin^2x +3sin^2x