versed sine Hear it!

versed sine definition

versed sine

Trigonometry the number 1 minus the cosine of a given angle

Etymology: < ModL versus < L, pp. of vertere, to turn (see verse) + -ed

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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