已知函数f(x)=Asin(wx+φ)(A>0,w>0,0<φ<π/2)的图像关于点B(-π/4,0)对称,点B到函数y=f(x)的图像的对称轴的最短距离为π/2,且f(π/2)=1.1、求A,w,φ的值————第一问很简单的.2、若0< θ <π,
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![已知函数f(x)=Asin(wx+φ)(A>0,w>0,0<φ<π/2)的图像关于点B(-π/4,0)对称,点B到函数y=f(x)的图像的对称轴的最短距离为π/2,且f(π/2)=1.1、求A,w,φ的值————第一问很简单的.2、若0< θ <π,](/uploads/image/z/1699195-67-5.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3DAsin%28wx%2B%CF%86%29%EF%BC%88A%EF%BC%9E0%2Cw%EF%BC%9E0%2C0%EF%BC%9C%CF%86%EF%BC%9C%CF%80%2F2%EF%BC%89%E7%9A%84%E5%9B%BE%E5%83%8F%E5%85%B3%E4%BA%8E%E7%82%B9B%28-%CF%80%2F4%2C0%29%E5%AF%B9%E7%A7%B0%2C%E7%82%B9B%E5%88%B0%E5%87%BD%E6%95%B0y%3Df%EF%BC%88x%29%E7%9A%84%E5%9B%BE%E5%83%8F%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4%E7%9A%84%E6%9C%80%E7%9F%AD%E8%B7%9D%E7%A6%BB%E4%B8%BA%CF%80%2F2%2C%E4%B8%94f%EF%BC%88%CF%80%2F2%EF%BC%89%3D1.1%E3%80%81%E6%B1%82A%2Cw%2C%CF%86%E7%9A%84%E5%80%BC%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E7%AC%AC%E4%B8%80%E9%97%AE%E5%BE%88%E7%AE%80%E5%8D%95%E7%9A%84.2%E3%80%81%E8%8B%A50%EF%BC%9C+%CE%B8+%EF%BC%9C%CF%80%2C)
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