\input{preamble-standalone.ltx} \begin{document} % Ex. No. 45 (Section 7.0.9 : Usage de \tkzname{pi} avec \tkzcname{tkzGrid}) \begin{tikzpicture}[scale=.75] \tkzInit[xmax=6.5,ymax=6.5] \tkzGrid[xstep=pi,ystep=pi/2,sub, subxstep=pi/4,subystep=pi/4] \tkzLabelX[label=$t$,orig=false,trig=4, below=6pt,font=\scriptsize] \tkzLabelY[trig=2,font=\scriptsize] \tkzDrawXY \end{tikzpicture} \end{document}