coversed sine

coversed sine

[koh-vurst]
noun Mathematics.
the versed sine of the complement of an angle or arc.
Also called coversine, versed cosine.


Origin:
1700–10

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
coversed sine (ˈkəʊvɜːst) [Click for IPA pronunciation guide]
 
n
covers a trigonometric function equal to one minus the sine of the specified angle

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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00:10
Coversed sine 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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