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title: sin
collection: mulesoft
version: current
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---
---
product: DataWeave
version: 2.11
---

# sin

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

## sin(angle: Number): Number

Returns the trigonometric sine of an angle from a given number of radians.

_Introduced in DataWeave version 2.4.0._

### Parameters

<table><colgroup><col> <col></colgroup><thead><tr><th>Name</th><th>Description</th></tr></thead><tbody><tr><td><p><code>angle</code></p></td><td><div><div><p>Number of radians in an angle.</p></div></div></td></tr></tbody></table>

### Example

This example shows how `sin` behaves with different inputs.

#### Source

```DataWeave
%dw 2.0
import * from dw::util::Math
output application/json
---
{
  "sin0": sin(0),
  "sin13": sin(0.13),
  "sin-1": sin(-1)
}
```

#### Output

```Json
{
  "sin0": 0.0,
  "sin13": 0.12963414261969486,
  "sin-1": -0.8414709848078965
}
```