(2012•金华模拟)已知函数f(x)=2cosx•sin(π2+x)+sin2x−cos2x.
(2012•金华模拟)已知函数f(x)=2cosx•sin(π2+x)+sin2x−cos2x.
(2008•湖北模拟)已知函数f(x)=2cosx•sin(x+π3)−3sin2x+sinx•cosx.
(2010•舟山模拟)已知函数f(x)=cos(2x−π3)+sin2x−cos2x.
(2013•资阳模拟)已知函数f(x)=2sin(x−π3)cosx+sinxcosx+3sin2x(x∈R).
(2011•武汉模拟)已知函数f(x)=[2sin(x+π3)+sinx]cosx−3sin2x,x∈R
已知函数f(x)=2cosx•sin(x+π3)−3sin2x+sinx•cosx.
(2010•北京)已知函数f(x)=2cos2x+sin2x-4cosx.
(2013•惠州模拟)已知函数f(x)=2sin2x+2cos2x,x∈R.
已知函数f(x)=2cosx•sin(x+π3)−3sin2x+sinx•cosx
已知函数f(x)=2sinx•sin(π3−x)+3sinx•cosx+cos2x.
(2011•浙江模拟)已知f(x)=2cosx•sin(x+π6)+3sinx•cosx−sin2x,
(2012•资阳一模)已知函数f(x)=[2sin(x−π3)+sinx]•cosx+3sin2x(x∈R).