cotangent of an angle

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• cotangent — noun Etymology: New Latin cotangent , cotangens, from co + tangent , tangens tangent Date: 1635 1. a trigonometric function that for an acute angle is the ratio between the leg adjacent to the angle when it is considered part of a right triangle… …   New Collegiate Dictionary

• cotangent — [kō tan′jənt, kō′tan΄jənt] n. [ModL cotangens < co. tangens, short for complementi tangens, lit., tangent of the complement] Trigonometry the reciprocal of the tangent; specif. a) the ratio of the adjacent side of a given acute angle in a… …   English World dictionary

• cotangent — ► NOUN Mathematics ▪ (in a right angled triangle) the ratio of the side (other than the hypotenuse) adjacent to a particular acute angle to the side opposite the angle (the reciprocal of tangent) …   English terms dictionary

• Cotangent — Co*tan gent (k? t?n jent), n. [For co. tangens, an abbrev. of L. complementi tangens. See {Tangent}.] (Trig.) The tangent of the complement of an arc or angle. See Illust. of {Functions}. [1913 Webster] …   The Collaborative International Dictionary of English

• Cotangent bundle — In mathematics, especially differential geometry, the cotangent bundle of a smooth manifold is the vector bundle of all the cotangent spaces at every point in the manifold. It may be described also as the dual bundle to the tangent bundle.… …   Wikipedia

• cotangent — UK [ˌkəʊˈtændʒənt] / US [ˌkoʊˈtændʒənt] noun [countable] Word forms cotangent : singular cotangent plural cotangents maths in a right angled triangle, the measurement of an acute angle that is equal to the length of the side between the angle and …   English dictionary

• cotangent — cotangential /koh tan jen sheuhl/, adj. /koh tan jeuhnt, koh tan /, n. Trig. 1. (in a right triangle) the ratio of the side adjacent to a given angle to the side opposite. 2. the tangent of the complement, or the reciprocal of the tangent, of a… …   Universalium

• cotangent — co•tan•gent [[t]koʊˈtæn dʒənt, ˈkoʊˌtæn [/t]] n. 1) math. (in a right triangle) the ratio of the side adjacent to a given angle to the side opposite 2) math. the tangent of the complement, or the reciprocal of the tangent, of a given angle or arc …   From formal English to slang

• cotangent — co|tan|gent [ ,kou tændʒənt ] noun count in a RIGHT TRIANGLE, the measurement of an ACUTE angle that is equal to the length of the side between the angle and the right angle divided by the length of the side opposite the angle …   Usage of the words and phrases in modern English

• cotangent — [kəʊ tandʒ(ə)nt] noun Mathematics (in a right angled triangle) the ratio of the side (other than the hypotenuse) adjacent to a particular acute angle to the side opposite the angle …   English new terms dictionary

• cotangent — noun (C) technical the measurement of an angle in a triangle (1) with a right angle (1) that is calculated by dividing the length of the side opposite it by the length of the side next to it compare tangent (3) …   Longman dictionary of contemporary English