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

Cacos() Function Cacos ( Z As  Complex ) Complex arccos(z) Purpose Computes the arc cosine of complex number z in radians. Returns Complex arccos(z). (0 <= real(arccos(z)) <= π) Parameters [in] Z Complex argument z.