(2014•杭州一模)已知函数f(x)=3sinxcosx-cos2x-12,x∈R.
(2010•杭州一模)已知函数f(x)=2sinxcosx+2cos2x(x∈R).
(2012•德州一模)已知函数f(x)=3sinxcosx−cos2x+12(x∈R)
已知函数f(x)=cos2x+sinxcosx,x∈R.
(2014•大港区二模)已知函数f(x)=sinxcosx+3cos2x.
(2012•甘肃一模)(文科)已知函数f(x)=3sin2x+23sinxcosx+cos2x,x∈R.
已知函数f(x)=3sinxcosx−cos2x+12(x∈R).
已知函数f(x)=3sinxcosx−cos2x−12,x∈R.
(2014•马鞍山一模)已知函数f(x)=23sinxcosx−3sin2x−cos2x+2.
(2014•普陀区一模)已知函数f(x)=cos2x+23sinxcosx
(2013•河北区一模)已知函数f(x)=2cos2x+23sinxcosx
(2013•杭州一模)设f(x)=6cos2x-3sin2x(x∈R).
(2011•重庆模拟)已知函数f(x)=23cos2x+2sinxcosx+m(x∈R).