Declaration:  PointOnAngle(p1x, p1y, Angle, Distance: Double; var p2x: double; var p2y: double);
Calculates a new point given by p1 a given Distance and Angle then returns the result point in p2.

Source Code:

var
  p2x, p2y: double;

begin
  PointOnAngle(10, 10, 45, 20, p2x, p2y);
end;