> ## Documentation Index
> Fetch the complete documentation index at: https://docs.firebolt.io/llms.txt
> Use this file to discover all available pages before exploring further.

> Reference material for ASIN function

# ASIN

Calculates the arcsine of a value in radians.

## Syntax

```sql theme={"theme":{"light":"css-variables","dark":"css-variables"}}
ASIN(<value>)
```

## Parameters

| Parameter | Description                                         | Supported input type |
| :-------- | :-------------------------------------------------- | :------------------- |
| `<value>` | The number that the arcsine function is applied to. | `DOUBLE_PRECISION`   |

## Return Type

`ASIN` returns a value of type `DOUBLE_PRECISION`.

## Example

The following query calculates the arcsine of 1:

<div className="query-window">
  ```
  SELECT ASIN(1) as result;
  ```

  | result <span>double</span> |
  | :------------------------- |
  | 1.5707963267948966         |

  <p><span>Rows: 1</span><span>Execution time: 5.23ms</span></p>
</div>