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

Cacosh() Function Cacosh ( Z As  Complex ) Complex arccosh(z) Purpose Computes the inverse hyperbolic cosine of complex number z. Returns Complex arccosh(z). (0 <= real(arccos(z)), -π <= imag(arccos(z)) <= π) Parameters [in] Z Complex argument z.