input gdd; input gdd-rep; input gdd-lbl; input gdd-tra; input svgnames; lblPreambule := "\usepackage[frenchb]{babel}" & "\usepackage[garamond]{mathdesign}" & "\usepackage{amsmath}"; input gdd-fct; input gdd-plt; labeloffset := 6; gddU:=1.2cm; vardef f(expr t) = sin(2*t+Pi/3) enddef; vardef g(expr t) = sin(3*t) enddef; def avecCrayon(expr t,c) = withpen pencircle scaled t withcolor c enddef; beginfig(1); Repere(8,8,4,4,3,3); Axes; Debut; Graduations; Unites(1); drawoptions(withcolor LightSlateGrey); trace ((-1,-1)--(-1,1)--(1,1)--(1,-1)--cycle); trace ((-1,-1)--(1,1)); trace (1,-1)--(-1,1); trace Cercle(origine,1); trace ((-1,0.5)--(1,0.5)); trace ((-1,-0.5)--(1,-0.5)); trace ((0.5,-1)--(0.5,1)); trace ((-0.5,-1)--(-0.5,1)); trace ((-1,sqrt(3)/2)--(1,sqrt(3)/2)); trace ((-1,-sqrt(3)/2)--(1,-sqrt(3)/2)); trace ((sqrt(3)/2,-1)--(sqrt(3)/2,1)); trace ((-sqrt(3)/2,-1)--(-sqrt(3)/2,1)); trace Courbe(f,g,0,2*Pi,500) avecCrayon(1.5,Orchid); pointe Point(0,0); Fin; endfig; end