已知函数f(x)=sin(ωx+φ)(ω>0,-π/2

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已知函数f(x)=sin(ωx+φ)(ω>0,-π/2
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已知函数f(x)=sin(ωx+φ)(ω>0,-π/2
已知函数f(x)=sin(ωx+φ)(ω>0,-π/2

已知函数f(x)=sin(ωx+φ)(ω>0,-π/2

ω最小时,周期最大,T/4=π/3-π/12=π/4,T=π,ω=2.
f(x)=sin(2x+φ)
sin(π/6+φ)=0,π/6+φ=kπ→φ=kπ-π/6
k=0,φ=-π/6