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spherical trigonometry

noun
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Definition of spherical trigonometry

: trigonometry applied to spherical triangles and polygons

First Known Use of spherical trigonometry

circa 1728, in the meaning defined above

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The first known use of spherical trigonometry was circa 1728

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Cite this Entry

“Spherical trigonometry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spherical%20trigonometry. Accessed 5 Mar. 2021.

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Britannica.com: Encyclopedia article about spherical trigonometry

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