Concept information
Terme préférentiel
trigonometric function
Définition(s)
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In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) are real functions which relate an angle of a right-angled triangle to ratios of two side lengths. They are widely used in all sciences that are related to geometry, such as navigation, solid mechanics, celestial mechanics, geodesy, and many others. They are among the simplest periodic functions, and as such are also widely used for studying periodic phenomena through Fourier analysis. The trigonometric functions most widely used in modern mathematics are the sine, the cosine, and the tangent. Their reciprocals are respectively the cosecant, the secant, and the cotangent, which are less used. Each of these six trigonometric functions has a corresponding inverse function, and an analog among the hyperbolic functions.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Trigonometric_functions)
Concept(s) générique(s)
Concept(s) spécifique(s)
Synonyme(s)
- angle function
- circular function
- goniometric function
Traductions
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français
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fonction circulaire
URI
http://data.loterre.fr/ark:/67375/PSR-HD65CQDF-2
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