/ Dictionary / Index I inverse cotangent: Meaning and Definition of Find definitions for: inverse' cotan'gent Pronunciation: [key] — Trig. Trig. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. inverse cosine inverse function 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