> For the complete documentation index, see [llms.txt](https://shedmate.gitbook.io/shedmate-help/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://shedmate.gitbook.io/shedmate-help/setting-up-shedmate/costing-database-and-pricing-calculations/variables/trigonometric-functions/sin.md).

# SIN

The SIN function in Shedmate returns the sine of a specified angle. The angle must be supplied in radians.

### Syntax:

```
sin(angle)
```

### Parameters:

```
angle (required): The angle in radians from which you want to obtain the sine.
```

### Usage example:

<figure><img src="https://lh7-us.googleusercontent.com/4vQWTe8LCNV7mgDxkup5bnbkk1t1wXteR6pxlCn3ZszPvafO-mv5TGVADoj9oA3gENA9GfZb-Wta3XNxUizHeb5Q6QO9PQM95eFT8o37FcV3qftpg84ImWB67mbrJg9V-OZC7CJg4xBzaIfWbQm_tCE" alt=""><figcaption></figcaption></figure>