havercosine

havercosine

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  • List of trigonometric identities — Cosines and sines around the unit circle …   Wikipedia

  • Versine — The versine or versed sine, versin(θ), is a trigonometric function equal to 1 − cos(θ) and 2sin2(½θ). It appeared in some of the earliest trigonometric tables and was once widespread, but it is now little used. There are several related functions …   Wikipedia

  • hacoversed sine — noun The trigonometric function equal to half the coversed sine. Abbreviation: hacoversin Syn: cohaversine, hacoversine, havercosine …   Wiktionary

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