> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/sql-functions/numeric-functions/cot.md).

# COT

## Syntax

```bnf
COT(X)
```

## Description

Returns the cotangent of X.

## Examples

```sql
SELECT COT(42);
+--------------------+
| COT(42)            |
+--------------------+
| 0.4364167060752729 |
+--------------------+

SELECT COT(12);
+---------------------+
| COT(12)             |
+---------------------+
| -1.5726734063976893 |
+---------------------+

SELECT COT(0);
ERROR 1690 (22003): DOUBLE value is out of range in 'cot(0)'
```

<sub>*This page is licensed: GPLv2, originally from*</sub> [<sub>*fill\_help\_tables.sql*</sub>](https://github.com/MariaDB/server/blob/main/scripts/fill_help_tables.sql)

{% @marketo/form formId="4316" %}