The coversine is a little-used entire trigonometric
function defined by
where is the versine
and is the sine.
The coversine can be extended to the complex plane
as illustrated above.
Its derivative is given by
|
(3)
|
and its indefinite integral by
|
(4)
|
See also
Covercosine,
Excosecant,
Exsecant,
Hacovercosine,
Hacoversine,
Havercosine,
Haversine,
Vercosine,
Versine
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References
Abramowitz, M. and Stegun, I. A. (Eds.). Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 9th printing.
New York: Dover, p. 78, 1972.Referenced on Wolfram|Alpha
Coversine
Cite this as:
Weisstein, Eric W. "Coversine." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Coversine.html
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