inverse secant vs arcsec

inverse secant and arcsec both are nouns.

Word	Noun	Adjective	Verb	Adverb
inverse secant	Yes	No	No	No
arcsec	Yes	No	No	No

As nouns, inverse secant and arcsec are synonyms defined as:

inverse secant and arcsec: the inverse function of the secant; the angle that has a secant equal to a given number

Other synonyms of inverse secant include arc secant, arcsecant.

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