18 lines
491 B
TeX
18 lines
491 B
TeX
\begin{pspicture*}[showgrid=bottom](-3,-3)(3,3)
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%\psset{xunit=1 cm, algebraic=true}
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%\psgrid[xunit=0.5, yunit=0.5, subgriddiv=0, gridcolor=lightgray]
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\psaxes[ticks=none,labels=none]{->}(0,0)(-3,-3)(3,3)
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\pscircle(0,0){2}
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\SpecialCoor
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\psarc[linecolor=red,linewidth=2pt]{-}(0,0){2}{-45}{45}
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\psdots(2;45)(2;-45)
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\uput[r](2;45){$A \; \frac{\pi}{4}$}
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\psline(0;0)(2;45)
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\uput[r](2;-45){$B \; \frac{-\pi}{4}$}
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\psline(0;0)(2;-45)
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\end{pspicture*}
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