函数y=2sin(2x+α)(-π
问题描述：
函数y=2sin(2x+α)(-π
其他人气：483 ℃时间：2019-10-09 10:58:35
优质解答
∵y=2sin(2x+α)的一条对称轴是直线x=π/8
∴①2sin(2*π/8+α)=2
2sin(π/4+α)=2
∴π/4+α=π/2+2kπ
α=π/4+2kπ
∵-π
∴①2sin(2*π/8+α)=2
2sin(π/4+α)=2
∴π/4+α=π/2+2kπ
α=π/4+2kπ
∵-π
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答
∵y=2sin(2x+α)的一条对称轴是直线x=π/8
∴①2sin(2*π/8+α)=2
2sin(π/4+α)=2
∴π/4+α=π/2+2kπ
α=π/4+2kπ
∵-π