已知偶函数f(x)=sin(wx+φ)+cos(wx+φ)(w>0,|φ|

已知偶函数f(x)=sin(wx+φ)+cos(wx+φ)(w>0,|φ| 已知偶函数f(x)=sin(wx+φ)+cos(wx+φ)(w>0,|φ| 已知偶函数f(x)=Sin(w×+f)+CoS(wx+f)(w>0,|f| 已知函数f(x)=sin(wx+φ)(w 已知函数f(x)=sin(wx+φ)(w 已知函数f(x)=sin(wx+φ)(w f（x）=sin（wx+φ)(w>o)是偶函数的充要条件是什么 [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+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)=√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/4)-asin(wx-π/4)是最小的正周期为的偶函数,求w和a的值 已知函数f(x)=sinwx·sin(π/2-ф)-sin(π/2+wx)sin(π+ф)是R上的偶函数,其中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 已知函数f(x)=sin(wx++π/4)-asin(wx-π/4)是最小正周期为π的偶函数,求w和a的值已知函数f(x)=sin(wx++π/4)-asin(wx-π/4)是最小正周期为π的偶函数,求w和a的值