Dictionary.com
Thesaurus.com
Showing results for inverse cosine. Search instead for inverse+sine.

inverse cosine

American  

noun

Trigonometry.

  1. arc cosine.

Etymology

Origin of inverse cosine

First recorded in 1905–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The inverse cosine is unique over this range, so we are then able to determine the measure of the angle θ.

From Textbooks • Mar. 30, 2016

TRY IT #1 Given write a relation involving the inverse cosine.

From Textbooks • Feb. 13, 2015

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.