cos(2x-x/3)+2sin(x-π/4)sin(x+π/4)sin(x+π/4),求f(x)在[--π/3,π/2
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)
f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+/4π) 三角函数
已知函数f(x)=sin^2*x-根号3*sinπ/4*x*cosπ/4*x
已知函数f(x)=2√3sin(x+π/4)cos(x+π/4)-sin(2x+π).求f(x)的最小正周期
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4) 求函数f(x
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
化简2sin^2[(π/4)+x]+根号3(sin^x-cos^x)-1
已知f(x)=cos^2x+sinxcosx g(x)=2sin(x+π/4)sin(x-π/4)
已知函数f(x)=2sin(x/4)cos(x/4)-2√3sin²(x/4)+√3,且g(x)=f(x+π/
三角函数已知P(-4,3) 求(cos((π/2)+x)sin(-π-x))/(cos((11π/2)-x)sin((9
已知f(x)=cos^2x/1+sin^2x求f'(π/4)