// PlotPoint ()  Plot the cosine of the angle parameter
// on a line across the screen
//   IN:  angle -- the angle in radians to be plotted
void PlotPoint (float angle)
{	int blanks, position;
	position = cos (angle) * 35 + 35;
	for (blanks=0; blanks<position; blanks=blanks+1)
		cout << " ";
	cout << "*" << endl;
}