WorksheetFunction.Acosh method (Excel)

Returns the inverse hyperbolic cosine of a number. Number must be greater than or equal to 1. The inverse hyperbolic cosine is the value whose hyperbolic cosine is Arg1, so Acosh(Cosh(number)) equals Arg1.

Syntax

expression.Acosh (Arg1)

expression A variable that represents a WorksheetFunction object.

Parameters

Name	Required/Optional	Data type	Description
Arg1	Required	Double	Any real number equal to or greater than 1.

Return value

Double

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