| 球面和伪球面上三角形的余弦定理 |
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| 引用本文： | 蔡开仁.球面和伪球面上三角形的余弦定理[J].杭州师范学院学报(社会科学版),1994(6). |
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| 作者姓名： | 蔡开仁 |
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| 摘 要： | 本文旨在利用微分几何的方法，给出球面和伪球面上三角形的余弦定理的一个简便的内蕴证明。
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| 关 键 词： | 伪球面，球面三角，余弦定理 |
COSINE THEOREMS OF TRIANGLES ON SPHERE AND PSEUDO-SPHERE |
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| Cai Kairen.COSINE THEOREMS OF TRIANGLES ON SPHERE AND PSEUDO-SPHERE[J].Journal of Hangzhou Teachers College(Humanities and Social Sciences),1994(6). |
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| Authors: | Cai Kairen |
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| Institution: | Department of Mathematics |
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| Abstract: | Our goal in this paper is to give some explicit intrinsic proofs of thd cosine theorems of triangles on the sphere and the pseudo-spheres froms the point of view of differential geometry. |
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| Keywords: | cosine theorem pseudo-sphere spherical trigonometry |
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