已知函数f(x)=sin2x-2sinxcosx+3cos2x.
已知函数f(x)=sin2x+sinxcosx+2cos2x.
(求问)已知函数f(x)=sin2x+2根号3sinxcosx-cos2x
(2013•红桥区二模)已知函数f(x)=sin2x+2sinxcosx+3cos2x.
已知函数f(x)=sin2X+√3sinXcosX+2cos2X,X属于R
已知函数f(x)=sin2x+2根号3sinxcosx-cos2x
已知函数f(x)=cos(2x+π/3)+sin2x-cos2x+2√3sinxcosx
(2014•四川二模)已知函数f(x)=23sinxcosx-3sin2x-cos2x+3.
(2014•甘肃二模)已知函数f(x)=sin2x+23sinxcosx+3cos2x.
(2013•潮州二模)已知函数f(x)=3(sin2x−cos2x)−2sinxcosx.
(2014•马鞍山一模)已知函数f(x)=23sinxcosx−3sin2x−cos2x+2.
求函数f(x)=cos2x-sin2x+2根号3sinxcosx的最小周期、最大值
已知函数f(x)=3sin2x+cos2x.