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TRIGONOMETRIC FUNCTION
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle
Synonyms:
circular function; trigonometric function
Classified under:
Nouns denoting relations between people or things or ideas
Hypernyms ("trigonometric function" is a kind 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))
Hyponyms (each of the following is a kind of "trigonometric function"):
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)
