cosine of an angle
11cosine — /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… …
12cosine — noun /ˈkəʊ.saɪn,ˈkoʊ.saɪn/ a) In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos <!These definitions are equivalent to the one above and so do not …
13cosine — co|sine [ˈkəusaın US ˈkou ] n technical [Date: 1600 1700; : Modern Latin; Origin: cosinus, from co + Medieval Latin sinus ( SINE)] the measurement of an ↑acute angle in a ↑triangle with a ↑right angle, that is calculated by dividing the length of …
14cosine — noun (C) technical the measurement of an acute (6) angle in a triangle (1) with a right angle (1) that is calculated by dividing the length of the side next to it by the length of the hypotenuse compare sine …
15cosine — co•sine [[t]ˈkoʊ saɪn[/t]] n. math. 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 • Etymology: 1625–35; < NL cosinus. See co , sine …
16cosine — co·sine || kəʊsaɪn n. sine of the complement of a given angle (Trigonometry) …
17cosine — [ kəʊsʌɪn] noun Mathematics the trigonometric function that is equal to the ratio of the side adjacent to an acute angle (in a right angled triangle) to the hypotenuse …
18cosine — /ˈkoʊsaɪn / (say kohsuyn) noun the sine of the complement of a given angle. Abbrev.: cos …
19cosine — n. Math. the ratio of the side adjacent to an acute angle (in a right angled triangle) to the hypotenuse. Etymology: mod.L cosinus (as CO , SINE) …
20Lambert's cosine law — See also: Lambertian reflectance In optics, Lambert s cosine law says that the radiant intensity observed from a Lambertian surface or a Lambertian radiator is directly proportional to the cosine of the angle θ between the observer s line of… …
