Cot Definition (Illustrated Mathematics Dictionary)

Math is Fun ABCDEFGHIJKLMNOPQRSTUVWXYZ Definition of Cot more ... Cot

The short name for cotangent.

It is the length of the adjacent sidedivided by the length of the side opposite the angle in a right-angled triangle.

cot(θ) = adjacent / opposite

(Note: the tangent function tan(θ) = opposite / adjacent)

../geometry/images/triangle-q.js?mode=cot See: Cotangent, Right-Angled Triangle, Tangent (function), Trigonometry Sine, Cosine, Tangent Copyright © 2025 Rod Pierce

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