设函数f(x)=sin(xω+ψ)+cos(ωx+ψ)（ω＞0,ψ绝对值＜2分之π）的最小值正周期为π,且f(-x)=f(x)则 (A) f（x）在（0,2分之π）单间递减 （B） f（x）在（四分之π,4分之3π）单调递减 （C） f(x)在（0,2分之

设函数 f(x)=sin(2x+y),(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f x=SIN(2X+φ)(-π 设函数f(x)=sin(2x+∮)(-兀 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(0 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+ φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+ φ)(-π 1.设函数f(x)=sin(x+fai)(0 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(wx+t)(-π/2 设函数f(x)=sin(wx+t)(-π/2 设函数f（x）=sin(ax+q) (-兀