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# spherical trigonometry

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noun

the branch of trigonometry that deals with spherical triangles.

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## Origin of spherical trigonometry

First recorded in 1720â€“30

## Words nearby spherical trigonometry

spherical excess, spherical geometry, spherical polygon, spherical sailing, spherical triangle, spherical trigonometry, sphericity, spherics, sphero-, spheroid, spheroidal

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Based on the Random House Unabridged Dictionary, Â© Random House, Inc. 2023

## How to use spherical trigonometry in a sentence

## British Dictionary definitions for spherical trigonometry

spherical trigonometry

noun

the branch of trigonometry concerned with the measurement of the angles and sides of spherical triangles

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Â© William Collins Sons & Co. Ltd. 1979, 1986 Â© HarperCollins
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