/* -*-ePiX-*- */
#include "epix.h"
using namespace ePiX;

int main()
{
  picture(P(0, 0), P(12, 9), "3.2 x 2.4in");

  begin();

  double r1(3.75), r2(2.5), th1(M_PI/8), th2(M_PI/3);
  P O(0, 0), pP(polar(r1, th1)), pQ(polar(r2, th2)), pR(polar(r1*r2, th1+th2));

  bold();

  line(P(xmin(), 0), P(xmax(), 0));
  line(P(0, ymin()), P(0, ymax()));

  line(O, pP);
  line(O, pQ);
  line(O, pR);

  label(P(xmax(), 0), P(0, -4), "$X$", b);
  label(P(0, ymax()), P(-2, 0), "$Y$", l);
  label(O, P(0, -4), "$O$", b);

  label(pP, P(2, 0), "$P$", r);
  label(pQ, P(2, 0), "$Q$", r);
  label(pR, P(2, 0), "$R$", r);

  tikz_format();
  end();
}