public float DifferenceOfRadius(PolarCoordinate other) => Radius - other.Radius;
public float DifferenceOfAngle(PolarCoordinate other) => Angle - other.Angle;
public float DifferenceOfRadius(PolarCoordinate other) => Radius - other.Radius;
public float DifferenceOfAngle(PolarCoordinate other) => Angle - other.Angle;