函数f(x)=sin(2x+&)(-π
2个回答
y=f(x)图像的一条对称轴是直线x=π/8,对称轴与图像交点应为图像最高点或最低点,把其代入y=sin(2x+φ),y=sin(2*π/8+φ)=sin(π/4+φ)=1或-1,
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