Hypernym

noun

(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)

trigonometric function 1

noundomain: relation

Princeton WordNet [ver.3.1]

English

Definition

function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle

Synonyms

circular function 1
function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle

Hyponym

sine 1

noun

ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle

arc sine 1

noun

the inverse function of the sine; the angle that has a sine equal to a given number

cosine 1

noun

ratio of the adjacent side to the hypotenuse of a right-angled triangle

arc cosine 1

noun

the inverse function of the cosine; the angle that has a cosine equal to a given number

tangent 2

noun

ratio of the opposite to the adjacent side of a right-angled triangle