Definition:Inverse Hyperbolic Secant/Complex

Also see

 * Equivalence of Definitions of Complex Inverse Hyperbolic Secant


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