arc cotangent vs arccotangent

arc cotangent and arccotangent both are nouns.

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

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

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

Other synonyms of arc cotangent include inverse cotangent.

arc 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