The exsecant is a little-used trigonometric function defined by
(1)
|
where is the secant.
The exsecant can be extended to the complex plane as illustrated above.
Its derivative is given by
(2)
|
and its indefinite integral by
(3)
|
The exsecant is a little-used trigonometric function defined by
(1)
|
where is the secant.
The exsecant can be extended to the complex plane as illustrated above.
Its derivative is given by
(2)
|
and its indefinite integral by
(3)
|
Weisstein, Eric W. "Exsecant." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Exsecant.html