% !TeX TXS-program:compile = txs:///pdflatex

\documentclass[margin=5mm]{standalone}
\usepackage[nonpgfplots]{tkz-grapheur}

\begin{document}


\begin{GraphiqueTikz}[x=1cm,y=0.5cm,Xmin=-1.25,Xmax=4,Xgrille=1,Xgrilles=1,Ymin=-1.5,Ymax=8.75,Ygrille=1,Ygrilles=1]
	\TracerAxesGrilles[Grille=false,Police=\small,Elargir=2.5mm]{-1,1,2,3,4}{2,4,6,8}
	\draw (-2pt,-2pt) node[below left] {$0$} ;
	\DefinirCourbe[Nom=cf]< f >{exp(x)*sin(x)}
	\DefinirCourbe[Nom=cg]< g >{x}
	\TracerIntegrale[Type=fct/fct,Style=hachures,Couleur=darkgray]{f(x)}[g(x)]{0}{pi/2}
	\draw[darkgray,pfltraitantec] ({pi/2},{pi/2})--({pi/2},0) node[below,font=\small] {$\frac{\pi}{2}$} ;
	\TracerCourbe[Couleur=red,Debut=0,Fin=pi]{f(x)}
	\TracerCourbe[Couleur=blue,Debut=0,Fin=pi]{g(x)}
	\PlacerTexte[Police=\large,Couleur=red]{(3,7)}{$\mathcal{C}_{f}$}
	\PlacerTexte[Police=\large,Couleur=blue]{(2.25,3)}{$\mathcal{C}_{g}$}
\end{GraphiqueTikz}

\end{document}