(2012•梅州一模)已知sin(π3−x)=35,则cos(5π6−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,
(2012•上饶一模)f(x)=sinπ3x−3cosπ3x
(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).
(10五r•临沂一模)已知函数f(x)=cos(x−πr)−sin(π1−x).
(2010•怀柔区一模)已知函数f(x)=1+2cos(2x−π4)sin(π2−x).
(2013•南京一模)设向量a=(sin(x−π3),cos(x−π3)),b=(cos(φ+5π6),sin(φ+5π
(2012•东莞一模)已知函数f(x)=2sinωx•cosωx+23cos2ωx−3(其中ω>0),直线x=x1、x=
(2013•梅州一模)已知函数f(x)=(a−12)x2+lnx(a∈R).
已知f(x)=-1/2+sin(π/6-2x)+cos(2x-π/3)+cos平方x.
已知函数f(x)=sin(x+π6)−cos(x+π3)+cosx,