# arcsin proc

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

### Format
> `arcsin(X)`

### Returns
> The inverse sine of X in degrees.

```dm /arcsin/
mob/verb/test()
   usr << arcsin(0)        // 0
   usr << arcsin(0.707107) // 45
   usr << arcsin(1)        // 90
```

### See also
- [arccos proc](https://ref.dm-lang.org/proc/arccos.md)
- [arctan proc](https://ref.dm-lang.org/proc/arctan.md)
- [sin proc](https://ref.dm-lang.org/proc/sin.md)
- [turn proc](https://ref.dm-lang.org/proc/turn/index.md)