---
id: cos
title: cos Function
sidebar_label: cos
slug: /help/docs/search/search-query-language/math-expressions/cos/
canonical: https://www.sumologic.com/help/docs/search/search-query-language/math-expressions/cos/
---

Cosine of argument in radians.

## Syntax

`cos(<x>) as <field>`

## Example

```sumo
* | cos(1) as v
```