the angle, measured in radians, that has a secant equal to a given number. Abbreviation: arc sec; Symbol: sec−1
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Origin of arc secant
First recorded in 1905–10
Also called inverse secant.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Science definitions for arc secant
The inverse of the secant function.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.