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  • cosines — co·sine || kəʊsaɪn n. sine of the complement of a given angle (Trigonometry) …   English contemporary dictionary

  • Law of cosines — This article is about the law of cosines in Euclidean geometry. For the cosine law of optics, see Lambert s cosine law. Figure 1 – A triangle. The angles α, β, and γ are respectively opposite the sides a, b, and c …   Wikipedia

  • Law of cosines (spherical) — In spherical trigonometry, the law of cosines (also called the cosine rule for sides) is a theorem relating the sides and angles of spherical triangles, analogous to the ordinary law of cosines from plane trigonometry.Given a unit sphere, a… …   Wikipedia

  • hyperbolic cosines — Hyperbolic Hy per*bol ic, Hyperbolical Hy per*bol ic*al, a. [L. hyperbolicus, Gr. ?: cf. F. hyperbolique.] 1. (Math.) Belonging to the hyperbola; having the nature of the hyperbola. [1913 Webster] 2. (Rhet.) Relating to, containing, or of the… …   The Collaborative International Dictionary of English

  • law of cosines — 1. : a law in trigonometry: the square of a side of a plane triangle equals the sum of the squares of the remaining sides minus twice the product of those sides and the cosine of the angle between them 2. : a law in trigonometry: the cosine of an …   Useful english dictionary

  • law of cosines — Trigonom. 1. a law stating that the square of a side of a plane triangle is equal to the sum of the squares of the other two sides minus twice the product of the other sides multiplied by the cosine of the angle between them. 2. a law stating… …   Universalium

  • law of cosines — noun A statement that relates the lengths of the sides of a triangle to the cosine of one of its angles. Syn: cosine formula, cosine rule …   Wiktionary

  • cession — cosines …   Anagrams dictionary

  • List of trigonometric identities — Cosines and sines around the unit circle …   Wikipedia

  • Pythagorean theorem — See also: Pythagorean trigonometric identity The Pythagorean theorem: The sum of the areas of the two squares on the legs (a and b) equals the area of the square on the hypotenuse (c) …   Wikipedia

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