设函数f(x)=sin(2x+φ)(-π

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设函数f(x)=sin(2x+φ)(-π
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设函数f(x)=sin(2x+φ)(-π
设函数f(x)=sin(2x+φ)(-π

设函数f(x)=sin(2x+φ)(-π
(1)因为f(x)=sin(2x+φ)
对称轴2x+φ=π/2+kπ 又因x=π/6
所以π/3+φ=π/2+kπ
φ=π/6+kπ 又因(-π

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