设函数f x=SIN(2X+φ)(-π
问题描述：
设函数f x=SIN(2X+φ)(-π
答
1）f(x)=sin(2x+φ)一条对称轴是X=π/8
则kπ+π/2=2*π/8+φ ===>φ=kπ+π/4
因为-π