Versed Sine

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Related to versed sines: Coversed sine, versed cosine

versed sine

[′vərst ′sīn]
(mathematics)
The versed sine of A is 1 - cosine A. Denoted vers. Also known as versine.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Versed Sine

 

a trigonometric function. The versed sine of the angle α is equal to 1 - cos α and is written vers α. Now rarely encountered, the function was widely used until the 17th century.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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