noun ·Rare ·Advanced level

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

Synonyms

All synonyms

argumentcotanelementequationformula

Etymology

From co- + tangent.

Related phrases

arc cotangenthyperbolic cotangentright triangle

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.