Zrobiłam rysunek w programie GeoGebra i eksportowałam do LaTeX-a, ale niestety nie działa. Może ktoś z Was mi pomoże, będę wdzięczna.
Kod: Zaznacz cały
documentclass[10pt]{article}
usepackage[utf8]{inputenc}
usepackage{pgf,tikz}
usetikzlibrary{arrows}
pagestyle{empty}
egin{document}
definecolor{ffqqqq}{rgb}{1,0,0}
egin{tikzpicture}[line cap=round,line join=round,>=triangle 45,x=1.0cm,y=1.0cm]
clip(-4.3,-2.44) rectangle (11.32,6.3);
draw [shift={(-2.12,2.12)}] (0,0) -- (-112.5:0.6) arc (-112.5:-22.5:0.6) -- cycle;
draw [shift={(0,0)},color=ffqqqq] plot[domain=Ď€:6.28,variable= ]({1*3*cos( r)+0*3*sin( r)},{0*3*cos( r)+1*3*sin( r)});
draw [shift={(0,0)}] plot[domain=0:Ď€,variable= ]({1*3*cos( r)+0*3*sin( r)},{0*3*cos( r)+1*3*sin( r)});
draw (-3,0)-- (-2.12,2.12);
draw (-2.12,2.12)-- (3,0);
draw (-3,0)-- (3,0);
egin{scriptsize}
fill [color=black] (3,0) circle (1.5pt);
draw[color=black] (3.28,0.08) node {$B$};
fill [color=black] (-3,0) circle (1.5pt);
draw[color=black] (-3.24,0.08) node {$A$};
fill [color=black] (-2.12,2.12) circle (1.5pt);
draw[color=black] (-2.28,2.46) node {$C$};
fill [color=black] (0,0) circle (1.5pt);
draw[color=black] (-0.02,-0.24) node {$O$};
draw[color=black] (-1.72,1.86) node {$alpha$};
end{scriptsize}
end{tikzpicture}
end{document}