已知函数f(x)=sin(2x+π3)+sin(2x-π3)+2cos2x-1,x∈R.
已知函数f(x)=sin(2x+π3)+sin(2x-π3)+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).
(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∧2x,x∈R,则f(x)是
已知函数f(x)=2sin^2(π\4+x)-根号3cos2x-1,x∈R
已知函数f(x)=3sin(2x+π/4)+1(x∈R)
已知函数f(χ)=sin(2x+π/6 )+sin(2x- π/6)+cos2x+1(x∈R),
已知函数f(x)=2sin^2(π/4+x)-根号3cos2x
已知函数f(x)=2sin²(π/4+x)-根号3cos2x
(2012•天津)已知函数f(x)=sin(2x+π3)+sin(2x-π3)+2cos2x-1,x∈R.
已知函数f(x)=sin(2x+π/3)+sin(2x-π/3)+根号3*cos2x-m,若f(x)的最大值为1