inverse cotangent vs arc cotangent

inverse cotangent and arc cotangent both are nouns.

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

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

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

Other synonyms of inverse cotangent include arccotangent.

inverse cotangent (noun)	arc cotangent (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