华宇中学教学楼的直角走廊示意如图所示,其两边走廊的宽度均为2m(1)过点P的一条直线与走廊的外侧两边交于A,B两点,且与走廊的一边的夹角为Θ(0<Θ<派/2).将线段AB长度L表示为Θ的函数
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![华宇中学教学楼的直角走廊示意如图所示,其两边走廊的宽度均为2m(1)过点P的一条直线与走廊的外侧两边交于A,B两点,且与走廊的一边的夹角为Θ(0<Θ<派/2).将线段AB长度L表示为Θ的函数](/uploads/image/z/8128667-11-7.jpg?t=%E5%8D%8E%E5%AE%87%E4%B8%AD%E5%AD%A6%E6%95%99%E5%AD%A6%E6%A5%BC%E7%9A%84%E7%9B%B4%E8%A7%92%E8%B5%B0%E5%BB%8A%E7%A4%BA%E6%84%8F%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E5%85%B6%E4%B8%A4%E8%BE%B9%E8%B5%B0%E5%BB%8A%E7%9A%84%E5%AE%BD%E5%BA%A6%E5%9D%87%E4%B8%BA2m%EF%BC%881%EF%BC%89%E8%BF%87%E7%82%B9P%E7%9A%84%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E4%B8%8E%E8%B5%B0%E5%BB%8A%E7%9A%84%E5%A4%96%E4%BE%A7%E4%B8%A4%E8%BE%B9%E4%BA%A4%E4%BA%8EA%2CB%E4%B8%A4%E7%82%B9%2C%E4%B8%94%E4%B8%8E%E8%B5%B0%E5%BB%8A%E7%9A%84%E4%B8%80%E8%BE%B9%E7%9A%84%E5%A4%B9%E8%A7%92%E4%B8%BA%CE%98%EF%BC%880%EF%BC%9C%CE%98%EF%BC%9C%E6%B4%BE%2F2%EF%BC%89.%E5%B0%86%E7%BA%BF%E6%AE%B5AB%E9%95%BF%E5%BA%A6L%E8%A1%A8%E7%A4%BA%E4%B8%BA%CE%98%E7%9A%84%E5%87%BD%E6%95%B0)
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