∵y=sin(wx+φ﹚的周期T＝2π／ω ,且周期为π
∴ω ＝2π／π＝2
又y=sin(wx+φ)的对称中心是﹙kπ,0﹚
∴kπ＝2×(-π/3﹚＋φ
∴φ＝kπ＋﹙2π/3﹚﹙k∈Z﹚
∵0
函数y=sin(wx+φ)(w>0 0
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