(2010•哈尔滨模拟)已知sin(x+π4)=−34
(2010•哈尔滨模拟)已知sin(x+π4)=−34
(2013•浙江模拟)已知sin(π4−x)=34
(2012•江西模拟)已知函数f(x)=sin(ωx+π4)
(2011•甘肃模拟)已知函数f(x)=sin(π2+x)cosx−sinxcos(π−x),
(2009•湖南模拟)已知函数f(x)=2sin(x−π3),x∈R.
(2012•三明模拟)已知函数f(x)=sin(x+π3)−3cos2x2.
(2011•西安模拟)已知函数f(x)=2sin(π8x+π4)+1.
(2010•江西模拟)已知函数f(x)=(3sinωx+cosωx)cosωx−12,(ω>0)的最小正周期为4π.
(2010•湖南模拟)已知函数f(x)=sin(x+π6)+sin(x−π6)+cosx+a(a∈R,a为常数).
(2010•安徽模拟)已知函数f(x)=3sinωx+cosωx.
(2010•揭阳模拟)已知函数f(x)=3sinπx+cosπx,x∈R.
(2013•中山模拟)已知a=(sin(π2+x),cos(π−x)),b=(cosx,−sinx),函数f(x)=a•