circular function


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circular function

circular function

n
(Mathematics) another name for trigonometric function1

trig′onomet′ric func′tion


n.
a function of an angle, as the sine or cosine, expressed as the ratio of the sides of a right triangle.
Also called circular function.
[1905–10]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.circular function - function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the anglecircular function - function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle
function, mapping, mathematical function, single-valued function, map - (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
sine, sin - ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
arc sine, arcsin, arcsine, inverse sine - the inverse function of the sine; the angle that has a sine equal to a given number
cos, cosine - ratio of the adjacent side to the hypotenuse of a right-angled triangle
arc cosine, arccos, arccosine, inverse cosine - the inverse function of the cosine; the angle that has a cosine equal to a given number
tangent, tan - ratio of the opposite to the adjacent side of a right-angled triangle
arc tangent, arctan, arctangent, inverse tangent - the inverse function of the tangent; the angle that has a tangent equal to a given number
cotan, cotangent - ratio of the adjacent to the opposite side of a right-angled triangle
arc cotangent, arccotangent, inverse cotangent - the inverse function of the cotangent; the angle that has a cotangent equal to a given number
sec, secant - ratio of the hypotenuse to the adjacent side of a right-angled triangle
arc secant, arcsec, arcsecant, inverse secant - the inverse function of the secant; the angle that has a secant equal to a given number
cosec, cosecant - ratio of the hypotenuse to the opposite side of a right-angled triangle
arc cosecant, arccosecant, inverse cosecant - the angle that has a cosecant equal to a given number
References in periodicals archive ?
The third test method shows how to measure the strain gradient from a circular function that is used to model the out-of-plane shape of cantilevers.
He wrote the first accessible books on calculus, created the theory of circular functions, and worked on elliptic intervals, the calculus of variations, graph theory, and divergent series.

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