双曲线的极坐标如图1,在双曲线中过右焦点F的直线分别交左右支与A,B两点,现在我以F为极点,以OF方向为正方向建立极坐标系,设这条直线的正夹角为Θ,那么点A的极径确定便不困难,根据书上的
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![双曲线的极坐标如图1,在双曲线中过右焦点F的直线分别交左右支与A,B两点,现在我以F为极点,以OF方向为正方向建立极坐标系,设这条直线的正夹角为Θ,那么点A的极径确定便不困难,根据书上的](/uploads/image/z/1534858-34-8.jpg?t=%E5%8F%8C%E6%9B%B2%E7%BA%BF%E7%9A%84%E6%9E%81%E5%9D%90%E6%A0%87%E5%A6%82%E5%9B%BE1%2C%E5%9C%A8%E5%8F%8C%E6%9B%B2%E7%BA%BF%E4%B8%AD%E8%BF%87%E5%8F%B3%E7%84%A6%E7%82%B9F%E7%9A%84%E7%9B%B4%E7%BA%BF%E5%88%86%E5%88%AB%E4%BA%A4%E5%B7%A6%E5%8F%B3%E6%94%AF%E4%B8%8EA%2CB%E4%B8%A4%E7%82%B9%2C%E7%8E%B0%E5%9C%A8%E6%88%91%E4%BB%A5F%E4%B8%BA%E6%9E%81%E7%82%B9%2C%E4%BB%A5OF%E6%96%B9%E5%90%91%E4%B8%BA%E6%AD%A3%E6%96%B9%E5%90%91%E5%BB%BA%E7%AB%8B%E6%9E%81%E5%9D%90%E6%A0%87%E7%B3%BB%2C%E8%AE%BE%E8%BF%99%E6%9D%A1%E7%9B%B4%E7%BA%BF%E7%9A%84%E6%AD%A3%E5%A4%B9%E8%A7%92%E4%B8%BA%CE%98%2C%E9%82%A3%E4%B9%88%E7%82%B9A%E7%9A%84%E6%9E%81%E5%BE%84%E7%A1%AE%E5%AE%9A%E4%BE%BF%E4%B8%8D%E5%9B%B0%E9%9A%BE%2C%E6%A0%B9%E6%8D%AE%E4%B9%A6%E4%B8%8A%E7%9A%84)
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