arc sine vs inverse sine

arc sine and inverse sine both are nouns.

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

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

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

Other synonyms of arc sine include arcsin, arcsine.

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