初三锐角三次函数难题△ABC中,∠C=90°,AB=1,tanA=0.75,过AB边上一点P作PE⊥AC于E,PF⊥BC于F,E\F是垂足,则EF的最小值等于_______.答案是12/25,
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![初三锐角三次函数难题△ABC中,∠C=90°,AB=1,tanA=0.75,过AB边上一点P作PE⊥AC于E,PF⊥BC于F,E\F是垂足,则EF的最小值等于_______.答案是12/25,](/uploads/image/z/12060199-55-9.jpg?t=%E5%88%9D%E4%B8%89%E9%94%90%E8%A7%92%E4%B8%89%E6%AC%A1%E5%87%BD%E6%95%B0%E9%9A%BE%E9%A2%98%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0C%3D90%C2%B0%2CAB%3D1%2CtanA%3D0.75%2C%E8%BF%87AB%E8%BE%B9%E4%B8%8A%E4%B8%80%E7%82%B9P%E4%BD%9CPE%E2%8A%A5AC%E4%BA%8EE%2CPF%E2%8A%A5BC%E4%BA%8EF%2CE%5CF%E6%98%AF%E5%9E%82%E8%B6%B3%2C%E5%88%99EF%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%E7%AD%89%E4%BA%8E_______.%E7%AD%94%E6%A1%88%E6%98%AF12%2F25%2C)
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