arc-secant

arc secant

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


Origin:
1905–10

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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American Heritage
Science Dictionary
arc secant  
The inverse of the secant function.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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00:10
Arc-secant is always a great word to know.
So is zedonk. Does it mean:
the offspring of a zebra and a donkey.
a gadget; dingus; thingumbob.
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