(2011•南昌模拟)关于函数f(x)=4sin(2x+π3)(x∈R),有下列命题:
(2014•南昌模拟)已知函数f(x)=sin2x+2sinx•sin(π2-x)+3sin2(3π2-x)
(2011•双流县三模)关于函数f(x)=2sin(3x−3π4),有下列四个命题:
(2010•天津模拟)已知函数f(x)=cosxsinx(x∈R),给出下列四个命题:
(2011•江苏模拟)给出下列四个命题:①函数f(x)=3sin(2x−π3)
(2009•湖南模拟)已知函数f(x)=2sin(x−π3),x∈R.
已知命题p1:∀x∈R,函数f(x)=sin(2x+π3)的图象关于直线x=−π3对称,p2:∃ϕ∈R,函数f(x)=s
(2010•东城区二模)已知函数f(x)=sinωx,g(x)=sin(2x+π2),有下列命题:
(2011•惠州模拟)函数f(x)=2sin(π4−x)cos(π4+x)−1,x∈R是( )
已知函数f(x)=3sin(2x+π/4)+1(x∈R)
(2011•武汉模拟)已知函数f(x)=[2sin(x+π3)+sinx]cosx−3sin2x,x∈R
(2010•南昌模拟)已知函数f(x)=3sinxcosx+sin2x.
(2014•南昌二模)已知函数f(x)=cosωx(x∈R,ω>0)的最小正周期为π,为了得到函数g(x)=sin(ωx