# cosine

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## cosine

a mathematical term
Not to be confused with:
cosign – to sign a document jointly with another; to endorse, as for a mortgage: his father cosigned the loan on his new car
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
cosine
cos θ = b/c

## co·sine

(kō′sīn′)
n. Abbr. cos
1. In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse.
2. The abscissa at the endpoint of an arc of a unit circle centered at the origin of a Cartesian coordinate system, the arc being of length x and measured counterclockwise from the point (1, 0) if x is positive or clockwise if x is negative.

## cosine

(ˈkəʊˌsaɪn)
(of an angle) n
(Mathematics) a trigonometric function that in a right-angled triangle is the ratio of the length of the adjacent side to that of the hypotenuse; the sine of the complement. Abbreviation: cos
[C17: from New Latin cosinus; see co-, sine1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

## co•sine

(ˈkoʊ saɪn)

n.
a. (in a right triangle) the ratio of the side adjacent to a given angle to the hypotenuse.
b. the sine of the complement of a given angle or arc. Abbr.: cos
[1625–35; < New Latin cosinus. See co-, sine]

## co·sine

(kō′sīn′)
The ratio of the length of the side adjacent to an acute angle of a right triangle to the length of the hypotenuse.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 cosine - ratio of the adjacent side to the hypotenuse of a right-angled trianglecoscircular 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
cosinus
kosinus
kosini
コサイン余弦
cosinus

## cosine

[ˈkəʊsaɪn] N
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

## cosine

nKosinus m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

## cosine

[ˈkəʊsaɪn] n (Math) → coseno
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in classic literature ?
"Now, gentlemen cosines, will you cease to throw parabolas and hyperbolas at each other's heads?
Note that there exists a triangle relationship between these directional cosines:
Sedletski, "Bases of exponentials, sines, and cosines in weighted spaces on a finite interval," Doklady Akademii Nauk, vol.
The Harmonic Analyzer adds cosines to create intricate patterns.
As for the terrifying teacher, can you arrange for an inexpensive tutor, maybe an upperclassman who knows sines, cosines, science or EspaHol?
Ross Eckler upped the ante by finding cosines, for which he demonstrated thirteen different spellings: COSINeS, CoSINeS, CoSiNeS, COsINeS, COSiNeS, COSInEs, CoSInEs, COSINEs, CoSINEs, CoSiNEs, COsINEs, and COSiNEs [4].
The technology uses simple geometry and the law of cosines to calculate angles created during yoga.
"Because I was made to do cosines and fractions in my maths lessons I fly into a rage even today when I need to do a sum.
"Because I was made to do cosines and fractions in maths lessons, I fly into a rage even today when I need to do a sum.
By the circumference of a circle concluded path s on the elliptic sphere is calculated with the help of the spherical law of cosines.
Before going into the details of the new design, it may be worthwhile to review a tool from trigonometry, the Law of Cosines. We will use the law later in this article.

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