Cacos Cacosh Casin Casinh Catan Catanh Ccos Ccosh Ccot Cexp Cexpm1 Clog Clog1p Csin Csinh Ctan Ctanh

Catanh() Function Catanh ( Z As  Complex ) Complex arctan(z) Purpose Computes the inverse hyperbolic tangent of complex number. Returns Complex arctanh(z). (-π/2 <= imag(arctanh(z)) <= π/2) Parameters [in] Z Complex argument z.