---
title: "sin"
description: "Returns the trigonometric sine of a number"
---

# sin

> Returns the trigonometric sine of a number

**This function is used by Ignition's Expression language.**
## Description
Returns the trigonometric sine of number, which is interpreted as an angle expressed in radians. The results will be a floating point value.

## Syntax
`sin(number)`

### Parameters

| Type | Parameter | Description |
|---|---|---|
| Integer/Float | `number` | The number to get the sine of. |

### Results
**Integer/Float** - The sine of the number provided.

## Examples
```python title="Code Snippet"
sin(1.89) //returns 0.9495
```