(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.
(2014•赤峰模拟)已知函数f(x)=23sinxcosx+2sin2x-1.
(2014•北京模拟)已知函数f(x)=sin2x+3sinxcosx−12.
(2010•南昌模拟)已知函数f(x)=3sinxcosx+sin2x.
(2012•南昌模拟)已知函数f(x)=3sin2x+23sinxcosx+5cos2x. &nb
(2013•天津模拟)已知函数f(x)=sin2x+23sinxcosx+3cos2x,x∈R.求:
(2014•延庆县一模)已知函数f(x)=sinxcosx+sin2x.
(2014•东城区二模)已知函数f(x)=sin2x+3sinxcosx.
(2009•成都模拟)已知函数f(x)=3sinxcosx-sin2x+12,x∈R,
(2014•甘肃二模)已知函数f(x)=sin2x+23sinxcosx+3cos2x.
(2014•四川二模)已知函数f(x)=cos2x-sin2x+23sinxcosx.
(2014•四川二模)已知函数f(x)=23sinxcosx-3sin2x-cos2x+3.