# sin proc

Source: https://ref.dm-lang.org/proc/sin

### Format
> `sin(X)`

### Returns
> The sine of X, where X is in degrees.

```dm /sin/
mob/verb/test()
   usr << sin(0)  // 0
   usr << sin(45) // 0.707...
   usr << sin(90) // 1
```

### See also
- [arcsin proc](https://ref.dm-lang.org/proc/arcsin.md)
- [cos proc](https://ref.dm-lang.org/proc/cos.md)
- [tan proc](https://ref.dm-lang.org/proc/tan.md)
- [turn proc](https://ref.dm-lang.org/proc/turn/index.md)