> 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/cos.md).

# COS

The COS function in Shedmate returns the cosine of a specified angle. The angle must be supplied in radians.

### Syntax:

```
cos(angle)
```

### Parameters:

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

### Usage example:

<figure><img src="https://lh7-us.googleusercontent.com/TZeruQ8K-H7OF0CBxdKZfjGSWcKTJRoKSuPDHZyt9Nk6GSmWj5XPn9pqa8QWRxP2I0M-Beokg9gHpsH4Wy-JlqIENEC7GPEbdz7OwYz30grOUQNShIaQgpuFzt7igXCHlNlAntOKNoUjmHCegw76snk" alt=""><figcaption></figcaption></figure>