# cotangent

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Related to cotangent: cosecant, Inverse cotangent, secant

## co·tan·gent

(kō-tăn′jənt, kō′tăn′-)
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

(kəʊˈtændʒənt)
n
(Mathematics) (of an angle) a trigonometric function that in a right-angled triangle is the ratio of the length of the adjacent side to that of the opposite side; the reciprocal of tangent. Abbreviation: cot, cotan or ctn
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

## co•tan•gent

(koʊˈtæn dʒənt, ˈkoʊˌtæn-)

n.
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 given angle or arc. Abbr.: cot, ctn
Also called co•tan (ˈkoʊˌtæn)
[1625–35; < New Latin cotangent-, s. of cotangēns]

## co·tan·gent

(kō-tăn′jənt)
The ratio of the length of the adjacent side of an acute angle in a right triangle to the length of the opposite side; the inverse of a tangent.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 cotangent - ratio of the adjacent to the opposite side of a right-angled trianglecotancircular function, trigonometric function - function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
kotangens
kotangentti
cotangens
co-tangente
cotangent

## cotangent

[kəʊˈtændʒənt] n (Math) →
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
Kato, An addition type formula for the double cotangent function, Ph.D.
Pratiwi, "Solution of Klein Gordon equation for hyperbolic cotangent potential in the presence of a minimal length using Hypergeometric method," Journal of Physics: Conference Series, vol.
Distinct unit increments of tangent and cotangent value range within the whole cycle (Figure 4).
Mondal, Cotangent similarity measure of rough neutrosophic sets and its application to medical diagnosis, "Journal of New Theory," 4(2015), 90-102.
The rise to base radius ratio (f/[r.sub.2]) of the footing is taken as the cotangent of the vertical semi-angle [alpha] of the footing and appears in the expression of Equation A12.
Two-dimensional curve is interpolated via different functions as probability distribution functions: polynomial, sinus, cosine, tangent, cotangent, logarithm, exponent, arcsin, arccos, arctan, arcctg or power function, also inverse functions.
Let [pi]: P[T.sup.*][R.sup.n + 1.sub.2] [right arrow] [R.sup.n + 1.sub.2] be the projective cotangent bundle over an n-dimensional manifold in [R.sup.n + 1.sub.2].
[K.sub.d] - the cotangent of mobility curve inclination angle [alpha] in a frequency range of 0-80 Hz:
Among the topics are elusive worldsheet instantons in heterotic string compactifications, the Witten equation and the geometry of the Landau-Ginzburg model, algebraic topological string theory, the fibrancy of symplectic homology in cotangent bundles, and the theory of higher rank stable pairs and virtual localization.
So, the author begins with the geometrical theory of cotangent bundle (T*M, [pi]*,M), continue with the notion of Hamilton space [H.sup.n](M, H(x,p)), where H : T*M [right arrow] R is a regular Hamiltonian, with the variational problem

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