(2012•普陀区一模)函数f(x)=sin
(2012•普陀区一模)函数f(x)=sin
(2014•普陀区一模)已知函数f(x)=cos2x+23sinxcosx
(2012•虹口区一模)已知函数f(x)=sin(ωx+π4)
(2011•许昌一模)函数f(x)=sin(π4+x)sin(π4−x)
(2012•海淀区一模)已知函数f(x)=sinx+sin(x−π3).
(2010•静安区一模)已知函数f(x)=2sin(x2+π3)
(2013•奉贤区一模)已知函数f(x)=sinπx,x≤0f(x−1),x>0
(2010•泰安一模)已知函数f(x)=4cos4x−2cos2x−1sin(π4+x)sin(π4−x)
(2013•宝应县一模)若函数f(x)=sin(ωx+π3)(ω>0)
(2012•资阳一模)已知函数f(x)=[2sin(x−π3)+sinx]•cosx+3sin2x(x∈R).
(2014•虹口区一模)函数f(x)=2sinπx与函数g(x)=3x−1
(2012•资阳一模)设函数f(x)=2sin(2x+π3),则下列结论正确的是( )