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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:

After five coolings, a bar of iron, 28 inches long, 31⁄2 inches deep, and 1⁄2 inch thick, was curved so that the versed sine of its air-cooled edge was 11⁄2 inches.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

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

This gives as a product 0.0054829728, which is a little larger than the versed sine of 6°.

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

C E is the sine, O E is the cosine, and E A is the versed sine of the angle A O C. Respecting these three lines there are many things to be observed.

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

The measure of this deflection; the versed sine of the angle. 4th.

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

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