/ Thesaurus / I Synonyms of inverse tangent Find synonyms for: Noun1. arc tangent, arctangent, arctan, inverse tangent, trigonometric function, circular functionusage: the inverse function of the tangent; the angle that has a tangent equal to a given numberWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language