Breadcrumb Home > Thesaurus > I Cite Synonyms of inverse cosine Find synonyms for: Noun1. arc cosine, arccosine, arccos, inverse cosine, trigonometric function, circular functionusage: the inverse function of the cosine; the angle that has a cosine equal to a given numberWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: picayune Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language