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# ASIN



#### Syntax {#syntax}


```
ASIN( number )
```

#### Description {#description}
Returns the arcsine of `number` in radians.

**Argument types:**
- `number` — `Fractional number | Integer`


**Return type**: `Fractional number`

#### Example {#examples}



| **[n]**   | **ASIN([n])**   |
|:----------|:----------------|
| `-1.00`   | `-1.57`         |
| `-0.87`   | `-1.05`         |
| `-0.71`   | `-0.79`         |
| `-0.50`   | `-0.52`         |
| `0.00`    | `0.00`          |
| `0.50`    | `0.52`          |
| `0.71`    | `0.79`          |
| `0.87`    | `1.05`          |
| `1.00`    | `1.57`          |




#### Data source support {#data-source-support}

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