trigonometric function

== English == === Pronunciation === === Noun === trigonometric function (plural trigonometric functions) (trigonometry) Any function of an angle expressible as the ratio of two of the sides of a right triangle that has that angle (e.g., sine), or that subtracts 1 from such a ratio or subtracts such a ratio from 1 (e.g., coversed sine). Hypernym: function Coordinate term: antitrigonometric function Coordinate term: hyperbolic function Hyponyms: cosine function, cotangent function, cosecant function, secant function, sine function, subsine function, tangent function ==== Translations ====