arc secant

noun Trigonometry.

the angle, measured in radians, that has a secant equal to a given number. Abbreviation: arc sec; Symbol: sec−1

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Also called inverse secant.

Origin of arc secant

First recorded in 1905–10

Words nearby arc secant

arc furnace, arc lamp, arc light, arc of lowitz, arc sec, arc secant, arc second, arc sine, arc spectrum, arc tan, arc tangent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for arc secant

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.