# ATAN

ATAN(`number`, `radians`)

Returns the arc tangent of a `number`. Default produces result in radians.

### Arguments <a href="#arguments" id="arguments"></a>

| Argument  | Description                                                                      |
| --------- | -------------------------------------------------------------------------------- |
| `number`  | Number to take arc tangent of.                                                   |
| `radians` | True to produce output in radians (default), false to produce output in degrees. |

### Output <a href="#output" id="output"></a>

The arc tangent of a `number`.

### Example <a href="#examples" id="examples"></a>

{% embed url="<https://datawrapper.dwcdn.net/eagfk/2/>" %}


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