﻿ ACOSH function

ACOSH function

This article describes the formula syntax and usage of the ACOSHfunction in Microsoft Excel.

Description

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 number, so ACOSH(COSH(number)) equals number.

Syntax

ACOSH(number)

The ACOSH function syntax has the following arguments:

• Number    Required. Any real number equal to or greater than 1.

Example

The example may be easier to understand if you copy it to a blank worksheet.

How do I copy an example?

Important   Do not select the row or column headers.

Selecting an example from Help

2. Press CTRL+C.

3. In Excel, create a blank workbook or worksheet.

4. In the worksheet, select cell A1, and press CTRL+V.

Important   For the example to work properly, you must paste it into cell A1 of the worksheet.

5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.

After you copy the example to a blank worksheet, you can adapt it to suit your needs.

 1 2 3
 A B Formula Description (Result) =ACOSH(1) Inverse hyperbolic cosine of 1 (0) =ACOSH(10) Inverse hyperbolic cosine of 10 (2.993223)

Applies To: Excel 2010, Excel Starter, Excel Online, SharePoint Online

﻿