/ English Dictionary

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)

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