# ASIN

Returns the arc sine of **x** in radians, or NULL if **x** is not in the range \[-1, 1].

## Syntax

```sql

ASIN (x)

```

## Arguments

* x: the argument

## Return Type

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

## Examples

```sql
SELECT ASIN(1);

```

```output

+--------------------+
| ASIN(1)            |
+--------------------+
| 1.5707963267948966 |
+--------------------+

```

***

Modified at: February 24, 2023

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

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