已知函数f(x)=Asin(ωx-π/3)(A>0,ω>0)在某一个周期内的图像的最高点和最低点的坐标分别为(5π/12,2),(11π/,-2)(1)求A和ω的值;(2)已知α∈(0,π/2),且sinα=4/5,求f(α)的值
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![已知函数f(x)=Asin(ωx-π/3)(A>0,ω>0)在某一个周期内的图像的最高点和最低点的坐标分别为(5π/12,2),(11π/,-2)(1)求A和ω的值;(2)已知α∈(0,π/2),且sinα=4/5,求f(α)的值](/uploads/image/z/5919409-1-9.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3DAsin%28%CF%89x-%CF%80%2F3%29%28A%3E0%2C%CF%89%3E0%29%E5%9C%A8%E6%9F%90%E4%B8%80%E4%B8%AA%E5%91%A8%E6%9C%9F%E5%86%85%E7%9A%84%E5%9B%BE%E5%83%8F%E7%9A%84%E6%9C%80%E9%AB%98%E7%82%B9%E5%92%8C%E6%9C%80%E4%BD%8E%E7%82%B9%E7%9A%84%E5%9D%90%E6%A0%87%E5%88%86%E5%88%AB%E4%B8%BA%EF%BC%885%CF%80%2F12%2C2%EF%BC%89%2C%2811%CF%80%2F%2C-2%29%EF%BC%881%EF%BC%89%E6%B1%82A%E5%92%8C%CF%89%E7%9A%84%E5%80%BC%EF%BC%9B%EF%BC%882%EF%BC%89%E5%B7%B2%E7%9F%A5%CE%B1%E2%88%88%EF%BC%880%2C%CF%80%2F2%29%2C%E4%B8%94sin%CE%B1%3D4%2F5%2C%E6%B1%82f%28%CE%B1%29%E7%9A%84%E5%80%BC)
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