(2013•韶关三模)已知f(x)=cos3x2cosx2−sin3x2sinx2−2sinxcosx,
已知f(x)=cos3x2cosx2-sin3x2sinx2.
已知函数f(x)=根号三cos²x+sinxcosx-根号三/2
(2013•河北区一模)已知函数f(x)=2cos2x+23sinxcosx
(2013•潮州二模)已知函数f(x)=3(sin2x−cos2x)−2sinxcosx.
已知函数f(x)=sinx的平方+根号三sinxcosx+1\2
(2013•东莞二模)已知函数f(x)=23sinxcosx−2cos2x+1.
(2013•房山区一模)已知函数f(x)=2cos2x+23sinxcosx−1.
已知函数f(x)=cos4x-2sinxcosx-sin4x
(2014•马鞍山一模)已知函数f(x)=23sinxcosx−3sin2x−cos2x+2.
(2013•辽宁二模)已知函数f(x)=-2sinxcosx+2cos2x+1
(2013•红桥区二模)已知函数f(x)=sin2x+2sinxcosx+3cos2x.
(2012•黄浦区一模)已知函数f(x)=2sin2x+23sinxcosx−1(x∈R).