# TAN

Returns the tangent of **x**, where **x** is given in radians.

## Syntax

```sql
TAN (x)

```

## Arguments

* x: the argument

## Return Type

Float or double. NULL if **x** is NULL or invalid.

## Examples

```sql
SELECT TAN(3.14159265359);

```

```output

+---------------------------------+
| TAN(3.14159265359)              |
+---------------------------------+
| 0.00000000000020682310711021444 |
+---------------------------------+

```

***

Modified at: February 24, 2023

Source: [/db/v9.1/reference/sql-reference/numeric-functions/tan/](https://docs.singlestore.com/db/v9.1/reference/sql-reference/numeric-functions/tan/)

(An index of the documentation is available at /llms.txt)