The acronyms "arcsinh", "arccosh" etc. are commonly used, even though they are misnomers, since the prefix "arc" is the abbreviation for "arcus", while the prefix "ar" stands for "area".
The acronyms "arcsinh", "arccosh" etc. are commonly used in the US, even though they are--technically speaking--misnomers. The prefix "arc" is the abbreviation for "arcus", while the prefix "ar" stands for "area".