\input{preamble-standalone.ltx}
\begin{document}

% Ex. No. 51 (Section  8.1.4 : Formules et coordonnées)

\begin{tikzpicture}[scale=.75]
  \tkzInit[xmax=6,ymax=6]
  \tkzGrid
  \tkzSetUpPoint[shape = circle,color = red,%
                 size = 4,fill = red!30]
  \tkzDefPoint(-1+1,-1+4){O}
  \tkzDefPoint({3*ln(exp(1))},{exp(1)}){A}
  \tkzDefPoint({4*sin(pi/6)},{4*cos(pi/6)}){B}
  \tkzDefPoint({4*sin(pi/3)},{4*cos(pi/3)}){B'}
  \tkzDefPoint[shift={(1,3)}](30:3){A'}
  \tkzDrawPoints(O,A,B)
  \tkzDrawPoints[color=red,shape=cross out](B',A')
  \tkzLabelPoints(A,O,B,B',A')
\end{tikzpicture}

\end{document}
