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.
(2014•马鞍山一模)已知函数f(x)=23sinxcosx−3sin2x−cos2x+2.
(2011•淮南一模)已知函数f(x)=cos2x−sin2x+23sinxcosx+1.
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).
(2013•潮州二模)已知函数f(x)=3(sin2x−cos2x)−2sinxcosx.
(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.
(2011•顺义区一模)已知函数f(x)=2sinxcosx+23sin2x−3,(x∈R).
(2012•黄浦区一模)已知函数f(x)=2sin2x+23sinxcosx−1(x∈R).