设函数f(x)=sin(2x+ φ)(-π
2个回答
1.由f(x)=sin(2x+ φ)一条对称轴是直线x=π/2可得:
在x=π/2时,函数取极值.
则2 *π/2 +φ=kπ+π/2 (k∈Z)
φ=kπ-π/2
又-π
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