Cosh(x) is a function that is more formally known as hyperbolic cosine. Arccosh(x) is the inverse to hyperbolic cosine. This function has uses on its own -- it describes curves that happen in nature and was known before its use here.
Cosh(x) is a function that is more formally known as hyperbolic cosine. Arccosh(x) is the inverse to hyperbolic cosine. This function has uses on its own -- it describes curves that happen in nature and was known before its use here.