Publication: DERIVATION OF THE ANGLE COSINE FORMULAS VIA LAGRANGE’S THEOREM (FOR POLAR SPHERICAL TRIANGLES)
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Abstract
In the context of Spherical Trigonometry, this study presents an alternative proof for the Angle Cosine Formulas, using the Langrange’s Theorem as support. This text is a continuation of the article [1].
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Angle Cosine Formulas, Lagrange’s Theorem, Spherical Geometry, Spherical Trigonometry
Language
English
Citation
Palestine Journal of Mathematics, v. 12, n. 1, p. 922-929, 2023.
