Trigonometric functions - Wikipedia, the free encyclopedia
The cotangent cot(A) is the reciprocal of tan(A), i.e. the ratio of the length of the adjacent side to the length of the opposite side: Slope definitions

Cotangent -- from Wolfram MathWorld
The cotangent function cotz is the function defined by cotz = 1/(tanz) (1) = (i(e^(iz)+e^(-iz)))/(e^(iz)-e^(-iz)) (2) = (i(e^(2iz)+1))/(e^(2iz)-1), (3) where tanz is the ...

What is the definition of cotangent?
In a right triangle, the ratio of the length of the adjacent side divided by the length of the opposite side of the angle. Cotangent is the reverse of tangent.

Mathwords: Cotangent
this page updated 29-jul-08 Mathwords: Terms and Formulas from Algebra I to Calculus written, illustrated, and webmastered by Bruce Simmons

cotangent - definition of cotangent by the Free Online Dictionary ...
co·tan·gent (k-t n j nt) n. Abbr. cot. 1. The reciprocal of the tangent of an angle in a right triangle. 2. The tangent of the complement of a directed angle or arc.

cotangent: Definition from Answers.com
(Click to enlarge) cotangent cot θ= (Academy Artworks) cotangent n. ( Abbr. cot ) The reciprocal of the tangent of an angle in a right triangle

Cotangent | Define Cotangent at Dictionary.com
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Cotangent space - Wikipedia, the free encyclopedia
In differential geometry, one can attach to every point x of a smooth (or differentiable) manifold a vector space called the cotangent space at x.

Cotangent - Definition and More from the Free Merriam-Webster ...
Definition of cotangent from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

cotangent - Definition of cotangent at YourDictionary.com
Trigonometry the reciprocal of the tangent; specif. the ratio of the adjacent side of a given acute angle in a right triangle to the opposite side