trigonometric cofunction
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Cofunction — This article is about a mathematical term. For an entity in computer science, see Coroutine. In mathematics, a function f is cofunction of a function g if f(A) = g(B) whenever A and B are complementary angles. This definition typically applies to … Wikipedia
cofunction — noun Date: 1909 a trigonometric function whose value for the complement of an angle is equal to the value of a given trigonometric function of the angle itself < the sine is the cofunction of the cosine > … New Collegiate Dictionary
cofunction — noun The trigonometric function of the complement of the supplied angle (thus cosine is the cofunction of sine) … Wiktionary
cofunction — co•func•tion [[t]ˈkoʊˌfʌŋk ʃən[/t]] n. math. the trigonometric function of the complement of a given angle or arc: cosθ is the cofunction of sinθ[/ex] • Etymology: 1905–10 … From formal English to slang
cofunction — ˈkō+ˌ ̷ ̷ ̷ ̷ noun Etymology: co + function : the corresponding trigonometric function of the complement of an angle the cofunction of the tangent is the cotangent … Useful english dictionary
trigonometry — trigonometric /trig euh neuh me trik/, trigonometrical, adj. trigonometrically, adv. /trig euh nom i tree/, n. the branch of mathematics that deals with the relations between the sides and angles of plane or spherical triangles, and the… … Universalium
