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coversed sine

American  
[koh-vurst] / ˈkoʊ vɜrst /

noun

Mathematics.

  1. the versed sine of the complement of an angle or arc.

coversed sine British  
/ ˈkəʊvɜːst /

noun

  1.  covers.  a trigonometric function equal to one minus the sine of the specified angle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of coversed sine

First recorded in 1700–10

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.