47 lines
1.1 KiB
TeX
47 lines
1.1 KiB
TeX
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\begin{pspicture*}[showgrid=bottom](-3,-3)(3,3)
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% /!\ Il faut dilater toutes les coordonnées par 2
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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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% Cercle trigo
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\pscircle(0,0){2}
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\uput[dr](2,0){\tiny 1}
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\uput[ur](0,2){\tiny 1}
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% Utilisation des coords polaires
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\SpecialCoor
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% Arc de cercle
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\psarc[linecolor=red,linewidth=2pt]{-}(0,0){2}{90}{270}
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% Points pour A et V
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\psdots(2;90)(2;270)
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% Point A
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\uput[ul](2;90){$\frac{\pi}{2}$}
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%% Ligne allant du centre vers le point
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%\psline(0;0)(2;45)
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% Point B
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\uput[dl](2;270){$\frac{3\pi}{2}$}
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%% Ligne allant du centre vers le point
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%\psline(0;0)(2;-45)
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\psline[linecolor=green](-5,1.41)(5,1.41)
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\psdots(0,1.41)
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\uput[dl](0,1.41){$\frac{\sqrt{2}}{2}$}
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\psdots(2;45)
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\uput[ur](2;45){$\frac{\pi}{4}$}
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\psline(0;0)(2;45)
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%\psdots(-1,0)
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%\uput[ul](-1,0){$\frac{-1}{2}$}
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%\psdots[linewidth=2pt](2;120)
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%\uput[ul](2;120){Solution}
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%\psline(0;0)(2;120)
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\end{pspicture*}
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