Cotangent

//ˈkoʊˌtænd͡ʒənt// noun

Definitions

Noun
  1. 1
    In a right triangle, the reciprocal of the tangent of an angle. Symbols: cot, ctg, or ctn
  2. 2
    ratio of the adjacent to the opposite side of a right-angled triangle wordnet

Etymology

From co- + tangent.

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