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The Law of Cosines for an "n"-Dimensional Simplex

IJMEST Volume 39, Number 3, ISSN 0020-739X


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.


Ding, Y. (2008). The Law of Cosines for an "n"-Dimensional Simplex. International Journal of Mathematical Education in Science and Technology, 39(3), 407-410. Retrieved November 17, 2019 from .

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