gives the inverse hyperbolic cosine of the complex number .
- Mathematical function, suitable for both symbolic and numerical manipulation.
- For certain special arguments, ArcCosh automatically evaluates to exact values.
- ArcCosh can be evaluated to arbitrary numerical precision.
- ArcCosh automatically threads over lists.
- ArcCosh[z] has a branch cut discontinuity in the complex plane running from to .
Introduced in 1988