%@metapost: 304remediationtrigonometrie.mp Rappelle les formules du cosinus, du sinus et de la tangente d'un angle aigu. \begin{center} \psshadowbox{\begin{minipage}{\linewidth-20\fboxsep} \compo{1}{304remediationtrigonometrie}{1}{ \[\Eqalign{ \cr \cos\widehat{XOY}&=\frac{\hbox to8cm{}}{\hbox to8cm{}}\cr \cr \sin\widehat{XOY}&=\frac{\hbox to8cm{}}{\hbox to8cm{}}\cr \cr \tan\widehat{XOY}&=\frac{\hbox to8cm{}}{\hbox to8cm{}}\cr \cr } \] } \end{minipage} } \end{center} \par