## ACOSH function: Description, Usage, Syntax, Examples and Explanation

What is ACOSH function in Excel? ACOSH function is one of the Math and Trig functions in Microsoft Excel that returns the inverse hyperbolic cosine of a number. The number must be greater than or equal to 1. The inverse hyperbolic cosine is the value whose hyperbolic cosine is number, so ACOSH(COSH(number)) equals number. Syntax of ACOSH function …