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BUILT-IN MATHEMATICA SYMBOL
ArcCosh
ArcCosh[z]
gives the inverse hyperbolic cosine 
of the complex number 
.
Details
- 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 
.
New in 1
