Definition:Inverse Hyperbolic Secant/Complex

Definition
Let $\operatorname{sech}: \C \to \C$ denote the hyperbolic secant as defined on the set of complex numbers.

Also see

 * Equivalence of Definitions of Inverse Hyperbolic Secant


 * Definition:Inverse Hyperbolic Sine
 * Definition:Inverse Hyperbolic Cosine
 * Definition:Inverse Hyperbolic Tangent
 * Definition:Inverse Hyperbolic Cotangent
 * Definition:Inverse Hyperbolic Cosecant