# cosine

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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]

## 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
Translations
cosinus
kosinus
kosini
コサイン余弦
cosinus

[ˈkəʊsaɪn] N

nKosinus m

## cosine

[ˈkəʊsaɪn] n (Math) → coseno
References in classic literature ?
Now, gentlemen cosines, will you cease to throw parabolas and hyperbolas at each other's heads?
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].
2] are the direction cosines of object PQ and RS respectively and T1T2 is the shortest distance.
However, both objects are having deferent type direction cosines (Dcs) and direction ratios (Drs).
The condition of 100% collection of protons is very important as the average cosines for the a and B correlation coefficients will be equal to zero in this case.
This scheme of the electrostatic system allows us to collect all the protons and to obtain zero average cosines of a and B correlations.
The relationship between the Law of Cosines and the dot product is, of course, a known mathematical result.
At the higher end, the range of LSA cosines ran from strong impact (.
But the conventional nature of the plotting might not appeal to the younger audiences at whom it's aimed - despite the presence of Turbo (Artie Lange), the obnoxious pet who indulges freely in booze and stogies and sneaks peaks at mom's cosines and parabolas in the shower.
While there are many trigonometric formulas, the three most commonly used in EW applications are the Law of Sines, the Law of Cosines for Angles, and the Law of Cosines for Sides.
The most common is the Cartesian or direction cosine format in which a vector is described by three values: I, J, and K respectively (Figure 1).

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