How to use the ACOSH Function in Excel office 365?
Tags: tousetheacoshfunctio, excel, excelfunctions
Published: 2021-08-27 02:09:56

---
title: How to use the ACOSH Function in Excel office 365?
published: true
date: 2021-08-24 16:03:50 UTC
tags: ToUseTheACOSHFunctio,Excel,ExcelFunctions
canonical_url: https://geekexcel.com/how-to-use-the-acosh-function-in-excel-office-365/
---

 **COSH function** is a **Mathematical function** to calculate the **hyperbolic Cosine of the value** , and it is a **built-in** Excel function. The hyperbolic function of COSH is defined using the **exponential function**. In this post, we will explain to you how to **use ACOSH Function In Excel Office 365.** Let’s see them below!! Get an official version of MS Excel from the following link: **[https://www.microsoft.com/en-in/microsoft-365/excel](https://www.microsoft.com/en-in/microsoft-365/excel)**

## ACOSH Function

ACOSH function in Excel returns the inverse of the Cosine hyperbolic function in Excel.

## ACOSH Function Syntax

```
= ACOSH ( number )
```

**Syntax Explanation:**

**number:** input any real number equal to greater than 1.

## Example

- You have to **create a sample data** with values which will be **input** to the function.

![](https://geekexcel.com/wp-content/uploads/2021/08/Sample-data-28.png)<figcaption>Sample data</figcaption>

- Then, you need to find the **inverse of the hyperbolic Cosine**  **value** using the **ACOSH**  **function** in Excel.
- Now, you have to use the following **formula** given below.

```
=COSH ( A2 )
```

**A2:** the number is given as cell reference.

![](https://geekexcel.com/wp-content/uploads/2021/08/ACOSH-function.png)<figcaption>ACOSH function</figcaption>

- After that, the **value** will **calculate ** using the **mathematical formulation** stated.

```
x = COSH -1 (e1+ e-1) / 2  = COSH -1[( e + 1/e ) / 2] = 0
```

- You need to **copy the formula** to **other cells** using the  **Ctrl + D**  shortcut key.

![](https://geekexcel.com/wp-content/uploads/2021/08/copy-to-other-cells.png)<figcaption>Copy to other cells</figcaption>

- Finally, **Excel** calculates the **inverse of the Hyperbolic Cosine**  **of a number** using the **COSH**  **function**.

**Check this too:** [How to use the ASINH Function in Excel office 365?](https://geekexcel.com/how-to-use-the-asinh-function-in-excel-office-365/)

**NOTE:**

- The function returns **#VALUE! Error** if the argument to the function is **non – numeric**.
- Now, the function returns **#NUM error** , if the argument number is **less than 1**.
- The **input argument** to the function can be any **real number**.
- **Argument** to the function can be provided **directly** or using the **cell reference** in Excel.

## Wrap-Up

Hope you understood how to **use ACOSH Function In Excel Office 365**. Please feel free to state your query or feedback for the above article. Thank you for Reading!! To learn more, check out **[Geek Excel](https://geekexcel.com/)!! **and [**Excel Formulas**](https://geekexcel.com/excel-formula/) **!!**

**Read Also:**

- **[How to use the ASINH Function in Excel office 365?](https://geekexcel.com/how-to-use-the-asinh-function-in-excel-office-365/)**
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- **[Excel Date and Time Functions in Office 365!!](https://geekexcel.com/date-and-time-functions-in-microsoft-excel-365/)**
- **[How to add a secondary axis in Excel Office 365? – quick Tricks!!](https://geekexcel.com/how-to-add-a-secondary-axis-in-excel-office-365-quick-tricks/)**
- **[How to use the LOGNORM.INV function in Excel office 365?](https://geekexcel.com/how-to-use-the-lognorm-inv-function-in-excel-office-365/)**