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versed sine

American  

noun

Trigonometry.
  1. one minus the cosine of a given angle or arc. vers.


versed sine British  

noun

  1. vers. a trigonometric function equal to one minus the cosine 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 versed sine

First recorded in 1590–1600

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The answer is, this measure or amount is the versed sine of the angle through which the body moves.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

Now you know what the versed sine of an angle is, and are able to observe in Fig.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

The versed sine of this arc of 6° is 0.0054781046 of a foot.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

This decimal is the versed sine of the arc of 3°15', or of 3.25°.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

Now, I suspect that some of you--some of those whom I am directly addressing--may not know what the versed sine of an angle is; so I must tell you.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

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