已知函数f(x)=2sin2x+23sinxcosx+1.
已知函数f(x)=2sin2x+23sinxcosx+1.
已知函数f(x)=−2sin2x+23sinxcosx+1.
(2011•淮南一模)已知函数f(x)=cos2x−sin2x+23sinxcosx+1.
(2014•马鞍山一模)已知函数f(x)=23sinxcosx−3sin2x−cos2x+2.
(2014•赤峰模拟)已知函数f(x)=23sinxcosx-2sin2x+1.
(2014•赤峰模拟)已知函数f(x)=23sinxcosx+2sin2x-1.
已知函数f(x)等于cos2x-sin2x+2[3sinxcosx+1求f(0)的值
已知函数f(x)=2cosxsin(x+π3)−3sin2x+sinxcosx
(2014•北京模拟)已知函数f(x)=sin2x+3sinxcosx−12.
已知函数f(x)=sinxcosx+32(cos2x−sin2x).
已知函数f(x)=sin2x+sinxcosx+2cos2x.
(2009•台州二模)已知函数f(x)=sin2x+23sinxcosx+3cos2x.