(2011•许昌一模)函数f(x)=sin(π4+x)sin(π4−x)
(2011•许昌一模)函数f(x)=sin(π4+x)sin(π4−x)
(2011•许昌一模)已知函数f(x)=3sin(2x−π6)+2sin2(x−π12),x∈R.
(2012•虹口区一模)已知函数f(x)=sin(ωx+π4)
(2014•许昌一模)将函数f(x)=3sin(4x+π6)图象上所有点的横坐标伸长到原来的2倍,再向右平移π6个单位长
(2010•泰安一模)已知函数f(x)=4cos4x−2cos2x−1sin(π4+x)sin(π4−x)
(2013•盐城二模)函数f(x)=2sin(x−π4)
已知函数f(x)=2sin(x−π4)•sin(x+π4)+sin2x
(2011•西城区二模)已知函数f(x)=2sin(x+π4)−13sinx.
(2013•奉贤区一模)已知函数f(x)=sinπx,x≤0f(x−1),x>0
已知函数f(x)=sin(ωx+π4)
(2010•怀柔区一模)已知函数f(x)=1+2cos(2x−π4)sin(π2−x).
(2011•深圳一模)在同一平面直角坐标系中,画出三个函数f(x)=2sin(2x+π4),g(x)=sin(2x+π3