arc cosine
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noun Trigonometry.
the angle, measured in radians, that has a cosine equal to a given number. Abbreviation: arc cos; Symbol: cos−1
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Also called inverse cosine .
Origin of arc cosine
First recorded in 1905–10
Words nearby arc cosine
arcature, arc-back, arc-boutant, arc cos, arc cosecant, arc cosine, arc cotangent, Arc, d', Arc de Triomphe, Arce, Arcella
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for arc cosine
Scientific definitions for arc cosine
arc cosine
The inverse of the cosine function.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.