已知函数f(x)=3sin(wx+π/3）（w>0),若函数y=f(x-π/9）为偶函数,则w的最小值是?

[非常急]已知函数f(x)=根号3sin(wx+φ)-cos(wx+φ)(0 已知函数f(x)=根号3sin(wx+φ)-cos(wx+φ)(0 已知函数f(x)=√3sin(wx+φ)-cos(wx+φ)(0 已知函数f(x)=根号3sin(wx+a)-cos(wx+a)(0 已知函数f(x)=根号3sin(wx+φ)-cos(wx+φ)(0 已知函数f(x)=√3 sin( wx+φ)-cos(wx+φ) (0 已知函数f(x)=根号3sin(wx+fai)-cos(wx+fai)(0 已知函数f(x)=√3 sin( wx+φ)-cos(wx+φ) (0 已知函数f(x)=√3sin(wx+φ)-cos(wx+φ)(0 已知函数f(x)=sin(wx+π/3)(w>0)的单调增区间为 已知函数f(x)=根号3sin(wx+φ)++(w>0,-π/2 已知函数f(x)=根号3sin(wx+φ)++(w>0,-π/2 已知函数f x 根号3sin(wx+φ)-cos(wx+φ)(w>0,0 已知函数f x=√3sin(wx+φ/2)*cos(wx+φ/2)+sin^2(wx+φ/2)(w>0,0 求已知函数f(x)=根号3sin(wx＋坏塔）-cos(wx+坏塔）（0 已知函数为f(x)=√3sin(wx+φ)-cos(wx+φ)（w>0,0 已知函数f（x）=根号3sin（wx+a）-cos（wx+a）.（0 已知函数f(X)=sin(wx+A)—根3cos(wx+A)(w>0,0