\begin{tikzpicture}
            \clip (0,0) circle (2.3cm);
            \tkzDefPoint(0,0){O}
            \tkzDefPoint(2,0){A}
            \tkzDefPoint(60:2){v}
            \tkzDefPoint(150:1.3){p}
            \tkzDefPoint(0:2){1}
            \draw (-2,0)--(2,0);
            \tkzDrawCircle[dashed,color=blue](O,A)
            \tkzDrawPoints[fill=white](v,1)
            \tkzLabelPoint[above](v){\(v\)}
            \tkzLabelPoint[right =-2pt](1){\(1\)}
            \tkzClipCircle(O,A)
            \tkzDrawCircle[orthogonal through=p and v](O,A)
            \tkzDrawPoints[fill=red](p,O)
            \tkzLabelPoint[below](p){\(p\)}
            \tkzLabelPoint[below](O){\(0\)}
            \tkzDrawPoints[fill=white](v,1)
            \draw (.7,1) node{\(L\)};
            \draw (1,-.3) node{\(T(L)\)};
            \draw[->] (150:1.2)--(150:.1);
\end{tikzpicture}