This post will guide you how to use** Excel SIN function** with syntax and examples in Microsoft excel.

Table of Contents

## Description

The Excel SIN function returns the sine of a given angle. If you want to supply an angle to SIN function in degrees, then you need to multiply the angle by PI()/180. Or you can use the RADIANS function to the angle to radians.

The SIN function is a build-in function in Microsoft Excel and it is categorized as a Math and Trigonometry Function.

The SIN function is available in Excel 2016, Excel 2013, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000, Excel 2011 for Mac.

## Syntax

The syntax of the SIN function is as below:

**=SIN (number)**

Where the SIN function argument is:

**number –**This is a required argument. A number that used to be calculate the sine of an angle.

**Note:**

- If your argument is in degrees, multiply it by PI()/180 or use the RADIANS function to convert it to radians.

## Excel SIN Function Examples

The below examples will show you how to use Excel SIN Function to return the sine of an angle.

**1#** get the sine of pi radians, enter the following formula in Cell B1.

**=SIN(PI())**

**2#** get the sine of pi/2 radians, enter the following formula in Cell B2.

**=SIN(PI()/2)**

**3#** get the sine of 45 degrees, enter the following formula in Cell B3.

**=SIN(45*PI()/180)**

Or using the another formula to get the same result as follow:

**=SIN(RADIANS(45))**

## Video: How to Use Excel SIN Function

This Excel video tutorial, we’re going to explore the SIN function in Excel, which is used to calculate the sine of an angle. Whether you’re working with degrees or radians, the SIN function is a powerful tool in the world of trigonometry.

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