cosine, cos
(noun) ratio of the adjacent side to the hypotenuse of a right-angled triangle
Source: WordNet® 3.1
cosine (plural cosines)
(trigonometry) 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
In various branches of mathematics, the cosine of an angle is determined in various ways, including the following
• The x-coordinate of the point on the unit circle at the given anticlockwise angle from the x-axis.
• The sum of the real or complex power series
where x is in radians.
• Enciso, Senoic, coines, conies, oscine
Source: Wiktionary
Co"sine (k"sn), n. Etym: [For co. sinus, an abbrev. of L. complementi sinus.] (Trig.)
Definition: The sine of the complement of an arc or angle. See Illust. of Functions.
Source: Webster’s Unabridged Dictionary 1913 Edition
4 April 2025
(verb) kill by cutting the head off with a guillotine; “The French guillotined many Vietnamese while they occupied the country”
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