Havercosine

The havercosine, also called the haversed cosine, is a little-used trigonometric function defined by

			(1)
			(2)

where is the vercosine and is the cosine.

See also

Covercosine, Coversine, Excosecant, Exsecant, Hacovercosine, Hacoversine, Haversine, Vercosine, Versine

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Cite this as:

Weisstein, Eric W. "Havercosine." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Havercosine.html

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