(2014•齐齐哈尔二模)已知f(x)=2sin(x-π4)cos(x-π4)+23cos2(x-π4)
(2014•济南二模)已知函数f(x)=cos(π4x-π3)+2cos2π8x.
(2014•济宁二模)已知函数f(x)=sinωx•cosωx+3cos2ωx-32(ω>0)的最小正周期为π2.
(2013•淄博二模)已知函数f(x)=3sinωx•cosωx+cos2ωx−12(ω>0),其最小正周期为π2.
已知函数f(x)=−3sin2ωx+2sinωx•cosωx+3cos2ωx,其中ω>0,且f(x)的最小正周期为π.
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)=sin(2x-π/6) ,
(2014•重庆三模)已知函数f(x)=3sinωx•cosωx-cos2ωx(ω>0)的最小正周期为π2.
(2010•九江二模)已知函数f(x)=sin(π4x−π6)−2cos2π8x+1,x∈R.
(2013•临沂二模)已知x∈R,ω>0,u=(1,sin(ωx+π2)),v=(cos2ωx,3sinωx)函数f(x
(2011•绵阳二模)已知函数f(x)=sin x-cos (x-π6
已知f(x)=cosωx•sinωx+3cos2ωx-32(0<ω≤1),且满足f(x+π)=f(x)
(2013•铁岭模拟)已知函数f(x)=2sin(x+θ2)cos(x+θ2)+23cos2(x+θ2)-3
(2014•河南二模)已知函数f(x)=4sinωxsin2(ωx2+π4)+cos2ωx,(ω>0)在区间[-π2,π