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arc secant

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noun Trigonometry.
  1. 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. 2018

arc secant in Science

arc secant

  1. The inverse of the secant function.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.