(2012•上饶一模)f(x)=sinπ3x−3cosπ3x
(2012•上饶一模)f(x)=sinπ3x−3cosπ3x
(2012•上饶一模)已知函数f(x)=x
(2013•南开区一模)已知函数f(x)=sin(2x+π6)−cos(2x+π3)+2cos2x.
(2005•闸北区一模)已知函数f(x)=sin(x+π6)−cos(x+π3)+cosx,
(2006•石景山区一模)已知函数f(x)=cos(π−x)sin(π2+x)+3sinxcosx.
(2012•临沂一模)已知f(x)=sin(x+5π4)+cos(x+3π4).
已知函数f(x)=sin(x+π6)−cos(x+π3)+cosx,
已知函数f(x)=3sinπx+cosπx,x∈R.
已知函数f(x)=cos(2x-π/3)+sin^2 x-cos^2 x
已知函数f(x)=cos(2x-π\3)+sin²x-cos²x
(2012•东莞一模)已知函数f(x)=2sinωx•cosωx+23cos2ωx−3(其中ω>0),直线x=x1、x=
已知f(cos x)=cos 3x 求f(sin x)的值