inverse cotangent vs arccotangent

inverse cotangent and arccotangent both are nouns.

Word	Noun	Adjective	Verb	Adverb
inverse cotangent	Yes	No	No	No
arccotangent	Yes	No	No	No

As nouns, inverse cotangent and arccotangent are synonyms defined as:

inverse cotangent and arccotangent: the inverse function of the cotangent; the angle that has a cotangent equal to a given number

Other synonyms of inverse cotangent include arc cotangent.

inverse cotangent (noun)	arccotangent (noun)
the inverse function of the cotangent; the angle that has a cotangent equal to a given number	the inverse function of the cotangent; the angle that has a cotangent equal to a given number