---
id: atan2
title: atan2 Function
sidebar_label: atan2
slug: /help/docs/search/search-query-language/math-expressions/atan2/
canonical: https://www.sumologic.com/help/docs/search/search-query-language/math-expressions/atan2/
---


Returns the four-quadrant inverse tangent of the two arguments b and c.

## Syntax

`atan2(<b>, <c>) as <field>`

## Example

```sumo
* | atan2(0, -1) as v
```