arccotangent vs arc cotangent

arccotangent and arc cotangent both are nouns.

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

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

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

Other synonyms of arccotangent include inverse cotangent.

arccotangent (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