(2013•怀化二模)已知函数f(x)=32sin2x−12(cos2x−sin2x)−1
(2013•怀化二模)已知函数f(x)=32sin2x−12(cos2x−sin2x)−1
(2013•天津模拟)已知函数f(x)=32sin2x−12(cos2x−sin2x)−1
(2013•潮州二模)已知函数f(x)=3(sin2x−cos2x)−2sinxcosx.
(2014•温州二模)已知函数f(x)=cos2x−1sin2x,则有( )
(2011•重庆三模)已知a=(sin2x−cos2x),b=(sin2x,3sin2x),若函数f(x)=a•b.
(2008•杭州二模)设函数f(x)=12x−18sin2x−38cos2x.
已知函数f(x)=32sin2x−cos2x−12,x∈R.
(2007•东城区一模)已知函数f(x)=12cos2x−sinxcosx−12sin2x.
(2010•江门一模)已知函数f(x)=sin2x−cos2x+12sinx.
(2011•淮南一模)已知函数f(x)=cos2x−sin2x+23sinxcosx+1.
(2013•北京)已知函数f(x)=(2cos2x−1)sin2x+12cos4x.
(2014•潍坊模拟)已知函数f(x)=32sin2x−12(cos2x−sin2x)−1,x∈R,将函数f(x)向左平