Create a function that takes an angle in radians and converts it into degrees.
toDegree(Math.PI) ➞ 180
toDegree(Math.PI/2) ➞ 90
toDegree(Math.PI/4) ➞ 45
The input angles are in radians.
There are 360 degrees and 2 pi radians in a circle. So to convert degrees to radians, divide by 360 and multiply by 2 * pi (approx. 6.28). Or equivalently, divide by 180 and multiply by pi.