%@metapost: 304remediationtrigonometrie.mp
Rappelle les formules du cosinus, du sinus et de la tangente d'un angle aigu.
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\sin\widehat{XOY}&=\frac{\hbox to8cm{}}{\hbox to8cm{}}\cr
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\tan\widehat{XOY}&=\frac{\hbox to8cm{}}{\hbox to8cm{}}\cr
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\par