trigonometric function

Synonyms:

circular function

Types:

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sin, sine

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

tan, tangent

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

Type of:

function, map, mapping, mathematical function, single-valued function

(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)