The law of cosines for an n-dimensional simplex

• Autores: Yiren Ding
• Localización: International journal of mathematical education in science and technology, ISSN 0020-739X, Vol. 39, Nº. 3, 2008, págs. 407-410
• Idioma: inglés
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• Resumen

  • Using the divergence theorem technique of L. Eifler and N.H. Rhee, The n-dimensional Pythagorean Theorem via the Divergence Theorem (to appear: Amer. Math. Monthly), we extend the law of cosines for a triangle in a plane to an n-dimensional simplex in an n-dimensional space.