In **Microsoft Excel**, an **ASIN** is a **Math and Trigonometry function**, and its purpose is to return the arcsine or inverse of a number. The arcsine is the angle whose sine is a number.

The formula for the ASIN function is ASIN(number).

The syntax for the ASIN function is below:

**Number**: The sine of the angle you want must be from -1 to 1. It is required.

## How to use the ASIN function in Excel

Follow the steps below to use the Excel ASIN function:

- Launch Excel
- Enter data or use existing data.
- Enter a formula into the cell.
- Press Enter.
- See result.

Launch **Microsoft Excel**.

If you type the ratio 0.5 into the cell, then enter the formula in the cell you want to add the result*.*

Enter into the cell the formula *=ASIN(A2)*.

Then press *Enter*.

It will return the Radian *0.523599*.

If you type the formula as *=ASIN(A3)*180/PI()*. The result would be *30* degrees.

There are two other methods to use the ASIN function.

**Method one** is to click the *fx* button on the top left of the Excel worksheet.

An **Insert Function** dialog box will appear.

Inside the dialog box, in the section **Select a Category**, select * Math and Trigonometry *from the list box.

In the section **Select a Function**, choose the *ASIN *function from the list.

Then click *OK.*

*A ***Function Arguments*** dialog box will open.*

In the Number entry box, type cell A2.

Then click* OK.*

**Method two** is to click the **Formulas **tab and click the *Math and Trigonometry *button in the *Function Library* group.

Then select* ASIN* from the drop-down menu.

A **Function Arguments** dialog box will open.

Follow the same method in Method 1.

Then click *Ok*.

### Can Excel do trig functions?

Yes, Excel can calculate Math and Trig functions for sine or cosine. Excel is a program that is very diverse when it comes to the calculation of data. If an individual wants to calculate their math work, they can use Excel.

**READ**: How to use the IMPRODUCT function in Excel

### What Excel function returns the arc sine of a number?

The function that returns the arc sine is the ASIN function. In this article, we have discussed how to use the ASIN function. We also discuss the methods by which you can use the ASIN formula in Excel.

**READ**: How to use the TAN function in Microsoft Excel

### What is math and trig functions in Excel?

The Math and Trigonometry function performs mathematical calculations such as basic athematic, condition sums and products, exponents and logarithms, and trigonometric ratios.

**READ**: How to use the PI function in Excel

We hope this tutorial helps you understand how to use the ASIN function in Microsoft Excel.