(2014•天津)已知函数f(x)=cosx•sin(x+π3)-3cos2x+34,x∈R.
(2014•天津)已知函数f(x)=cosx•sin(x+π3)-3cos2x+34,x∈R.
(2012•天津)已知函数f(x)=sin(2x+π3)+sin(2x-π3)+2cos2x-1,x∈R.
(2013•天津)已知函数f(x)=−2sin(2x+π4)+6sinxcosx−2cos2x+1,x∈R.
(2013•昌平区二模)已知函数f(x)=3sin(π−2x)-2cos2x+1,x∈R.
已知函数f(x)=(1+cos2x)sin^3x,x∈R,则f(x)是( )
(2013•天津模拟)已知函数f(x)=sin2x+23sinxcosx+3cos2x,x∈R.求:
已知函数f(x)=sin(2x+π3)+sin(2x-π3)+2cos2x-1,x∈R.
(2014•重庆三模)已知函数f(x)=sin(7π6-2x)+2cos2x-1(x∈R).
已知函数f(x)=23sinx•cosx+cos2x-sin2x-1(x∈R)
已知函数f(x)=23sinx•cosx+cos2x-1(x∈R).
(2014•成都三模)已知函数f(x)=2cos2x+3sin2x,x∈R.
(2013•昌平区二模)已知函数f(x)=sin(π-2x)+23cos2x,x∈R.