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正弦定理的证明解读 PowerPoint PPT Presentation


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正弦定理的证明解读. 克拉玛依市高级中学 曾艳. 一、论文的主要内容. 1 、总结正弦定理的证明方法. 2 、正弦定理证明方法的内在联系剖析. 3 、自己对定理证明的一些思考. 二、写论文的目的. 1 、定理本身是解三角形问题的重要方法. 2 、证明方法本身也是我们研究三角形问题以及其它 数学问题的重要工具. 3 、从证明方法总结出来的各种结论也是我们研究三 角形问题的重要工具. 4 、使我在教学的时候更能根据自己学生的实际情 况选择自己最适合的证明方法. 三、正弦定理证明方法. 1. 利用三角形的高证明正弦定理. 2. 利用三角形面积证明正弦定理.

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正弦定理的证明解读

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