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(Ⅰ)∵x=-为f(x)对称轴,∴sin(2×■+φ)=±1.∴sin(-+φ)
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
(Ⅰ)∵x=-为f(x)对称轴,
∴sin(2×■+φ)=±1.
∴sin(-+φ)=±1,-π
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