cosine

cosine
/koh"suyn/, n.
1. Trigonom.
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
2. Math. (of a real or complex number x) the function cos x defined by the infinite series 1 - (x2/2!) + (x4/4!) - + ... , where ! denotes factorial. Abbr.: cos Cf. sine (def. 3), factorial (def. 1).
[1625-35; < NL cosinus. See CO-, SINE1]

* * *


Universalium. 2010.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • cosine — [kō′sīn΄] n. [ModL < co. sinus, short for complementi sinus, lit., sine of the complement] Trigonometry the reciprocal of the secant; specif. a) the ratio of the adjacent side of a given acute angle in a right triangle to the hypotenuse: see… …   English World dictionary

  • Cosine — Co sine (k? s?n), n. [For co. sinus, an abbrev. of L. complementi sinus.] (Trig.) The sine of the complement of an arc or angle. See Illust. of {Functions}. [1913 Webster] …   The Collaborative International Dictionary of English

  • cosine — 1630s, from co. sinus, abbreviation of M.L. complementi sinus (see COMPLEMENT (Cf. complement) + SINE (Cf. sine)) …   Etymology dictionary

  • COSINE — (Cooperation for OSI In Europe) co·sine || kəʊsaɪn European program to increase use of open communications networks in order to connect between European research organizations …   English contemporary dictionary

  • cosine — ► NOUN Mathematics ▪ (in a right angled triangle) the ratio of the side adjacent to a particular acute angle to the hypotenuse …   English terms dictionary

  • cosine — UK [ˈkəʊˌsaɪn] / US [ˈkoʊˌsaɪn] noun [countable] Word forms cosine : singular cosine plural cosines 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 the right angle… …   English dictionary

  • cosine — noun Etymology: New Latin cosinus, from co + Medieval Latin sinus sine 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 and the… …   New Collegiate Dictionary

  • Cosine similarity — is a measure of similarity between two vectors by measuring the cosine of the angle between them. The cosine of 0 is 1, and less than 1 for any other angle. The cosine of the angle between two vectors thus determines whether two vectors are… …   Wikipedia

  • Ćosine Laze —   Village   …   Wikipedia

  • Cosine galvanometer — Galvanometer Gal va*nom e*ter, n. [Galvanic + meter: cf. F. galvanom[ e]tre.] (Elec.) An instrument or apparatus for measuring the intensity of an electric current, usually by the deflection of a magnetic needle. [1913 Webster] {Differential… …   The Collaborative International Dictionary of English

  • cosine law — Lamberto kosinuso dėsnis statusas T sritis fizika atitikmenys: angl. cosine law; Lambert’s cosine law vok. Lamberts Kosinusgesetz, n; Lambertsches Kosinusgesetz, n rus. закон косинуса, m; закон Ламберта, m pranc. loi de Lambert, f; loi du cosinus …   Fizikos terminų žodynas

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”