(2014•河东区一模)已知函数f(x)=sin(π-x)sin(π2-x)+cos2x
已知函数f(x)=sin(π-x)sin(π2-x)+cos2x
(2013•石景山区一模)已知函数f(x)=sin(2x+π6)+cos2x.
(2010•泰安一模)已知函数f(x)=4cos4x−2cos2x−1sin(π4+x)sin(π4−x)
已知函数f(x)=sin(π-x)sin(π2-x)+cos2x.
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•南开区二模)已知函数f(x)=sin(2x+π6)+sin(2x−π6)+2cos2x.
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
(2013•南开区一模)已知函数f(x)=sin(2x+π6)−cos(2x+π3)+2cos2x.
(2014•重庆三模)已知函数f(x)=sin(7π6-2x)+2cos2x-1(x∈R).
(2013•青岛二模)已知函数f(x)=sin(2x+π6)−2cos2x.
已知函数f(x)=sin(2x+π6)+sin(2x-π6)+2cos2x(x∈R).