One complete cycle = 2π Radians = 360 degrees
1 Radians = 360 / 2π degree
p Radians = p × 360 / 2π degree
2 Radian = 2 * 180/π Degrees
2.5 Radian = 2.5 * 180/π Degrees
0.3 Radian = 0.3 * 180/π Degrees