两函数关于y轴对称是偶函数,y=sin(Wx+π/3)的偶函数为F（x）=sin（-Wx+π/3)=sin-(Wx-π/3)=-sin(Wx-π/3)=sin(Wx-π/3+π)=sin(Wx+2π/3)=原函数向右平移π/5的函数=sin【W（x-π/5)+π/3)】=sin(Wx-π/5W+π/3),则...