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Vinony

cotangent

noun

  1. ratio of the adjacent side of an angle in a right triangle to the angle's opposite side
L318712 on Wikidata ↗

Wiktionary

Pronunciation: /ˈkoʊˌtænd͡ʒənt/

noun

Etymology: Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-der. English co- Proto-Indo-European *teh₂g- Proto-Italic *tangō Latin tangō Latin tangēns Latin tangentembor. English tangent English cotangent From co- + tangent.

  1. In a right triangle, the reciprocal of the tangent of an angle. Symbols: cot, ctg, or ctn