(2012•天津)已知函数f(x)=sin(2x+π3)+sin(2x-π3)+2cos2x-1,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.
已知函数f(x)=sin(2x+π3)+sin(2x-π3)+2cos2x-1,x∈R.
(2014•天津)已知函数f(x)=cosx•sin(x+π3)-3cos2x+34,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)=sin(π-x)sin(π2-x)+cos2x
已知函数f(x)=sin(2x+π6)+sin(2x-π6)+2cos2x(x∈R).
已知函数f(x)=(1+cos2x)sin∧2x,x∈R,则f(x)是
已知函数f(x)=3sin(2x+π/4)+1(x∈R)
已知函数f(x)=2sin²(π/4+x)-根号3cos2x
已知函数f(x)=2sin^2(π/4+x)-根号3cos2x
(2014•重庆三模)已知函数f(x)=sin(7π6-2x)+2cos2x-1(x∈R).