(2013•昌平区二模)已知函数f(x)=sin(π-2x)+23cos2x,x∈R.
(2013•昌平区二模)已知函数f(x)=sin(π-2x)+23cos2x,x∈R.
(2013•昌平区二模)已知函数f(x)=3sin(π−2x)-2cos2x+1,x∈R.
(2014•昌平区二模)已知函数f(x)=cos2x+sinx-1,(x∈R).
(2011•昌平区二模)已知函数f(x)=3sin2x+2cos2x.
(2012•昌平区一模)已知函数f(x)=cos(2x-π3)+sin2x-cos2x.
(2010•昌平区二模)已知函数f(x)=cos(2x−π3)−12cos2x+1
(2013•青岛二模)已知函数f(x)=sin(2x+π6)−2cos2x.
(2014•重庆三模)已知函数f(x)=sin(7π6-2x)+2cos2x-1(x∈R).
已知函数f(x)=(1+cos2x)sin∧2x,x∈R,则f(x)是
已知函数f(x)=sin(2x+π6)+sin(2x-π6)+2cos2x(x∈R).
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.