Function toRadian

toRadian(angleOrDegrees: string | number | Angle): number
Converts some angle representation to a simple numeric radian angle.
```
toRadian(90); // 90deg
toRadian(`90`); // 90deg
toRadian(`1.2rad`)
toRadian(`90deg`)
```
Unitless values provided as a number or string are assumed to be degrees.
Parameters
- angleOrDegrees: string | number | Angle
Returns number
- Defined in geometry/src/angles.ts:305