设函数f(x)=sin(2x+φ)(0
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设函数f(x)=sin(2x+φ)(0
设函数f(x)=sin(2x+φ)(0
设函数f(x)=sin(2x+φ)(0
2x+φ=kπ+π/2,x=(kπ+π/2-φ)/2
(kπ+π/2-φ)/2=π/8
当k=0时,φ=π/4
设函数f(x)=sin(2x+φ)(0
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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
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