arc cotangent vs inverse cotangent

arc cotangent and inverse cotangent both are nouns.

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

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

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

Other synonyms of arc cotangent include arccotangent.

arc cotangent (noun)	inverse 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