trigonometric cofunction

trigonometric cofunction
Any of a pair of trigonometric functions that have equal values when their arguments are complementary angles e.g. sine and cosine

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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

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