(2011•顺义区一模)已知函数f(x)=2sinxcosx+23sin2x−3,(x∈R).
(2011•顺义区一模)已知函数f(x)=2sinxcosx+23sin2x−3,(x∈R).
(2011•顺义区二模)已知函数f(x)=2−sin(2x+π6)−2sin2x,x∈R
(2012•黄浦区一模)已知函数f(x)=2sin2x+23sinxcosx−1(x∈R).
(2012•甘肃一模)(文科)已知函数f(x)=3sin2x+23sinxcosx+cos2x,x∈R.
(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.
(2013•资阳模拟)已知函数f(x)=2sin(x−π3)cosx+sinxcosx+3sin2x(x∈R).
(2013•潮州二模)已知函数f(x)=3(sin2x−cos2x)−2sinxcosx.
(2007•东城区一模)已知函数f(x)=12cos2x−sinxcosx−12sin2x.
(2012•武清区一模)已知函数f(x)=73sinxcosx+7sin2x-52,x∈R.
(2014•北京模拟)已知函数f(x)=sin2x+3sinxcosx−12.
(2014•延庆县一模)已知函数f(x)=sinxcosx+sin2x.