# SIN

Returns the sine of an angle.

## Syntax

`SIN(angle)`

### Parameters

#### `angle`

An angle, in radians. If `null`, the function returns `null`.

## Examples

```esql
ROW a=1.8
| EVAL sin = SIN(a)
```

Calculate the sine of the angle `1.8` radians and store the result in a new column named `sin`.