(2013•潮州二模)已知函数f(x)=3(sin2x−cos2x)−2sinxcosx.
(2013•潮州二模)已知函数f(x)=3(sin2x−cos2x)−2sinxcosx.
(2013•红桥区二模)已知函数f(x)=sin2x+2sinxcosx+3cos2x.
(2014•马鞍山一模)已知函数f(x)=23sinxcosx−3sin2x−cos2x+2.
(2009•台州二模)已知函数f(x)=sin2x+23sinxcosx+3cos2x.
(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.
(2007•东城区一模)已知函数f(x)=12cos2x−sinxcosx−12sin2x.
(2011•淮南一模)已知函数f(x)=cos2x−sin2x+23sinxcosx+1.
(2013•东莞二模)已知函数f(x)=23sinxcosx−2cos2x+1.
(2011•昌平区二模)已知函数f(x)=3sin2x+2cos2x.
(2013•怀化二模)已知函数f(x)=32sin2x−12(cos2x−sin2x)−1
(2014•四川二模)已知函数f(x)=cos2x-sin2x+23sinxcosx.