convert radian to degree

```
function radianToDegree(radian) {
return radian*(180/Math.PI);
}
```

convert degree to radian

```
function degreeToRadian(degree) {
return degree*(Math.PI/180);
}
```

convert radian to degree

```
function radianToDegree(radian) {
return radian*(180/Math.PI);
}
```

convert degree to radian

```
function degreeToRadian(degree) {
return degree*(Math.PI/180);
}
```