Calculer un angle de triangle rectangle à l'aide des relations de trigonométrie Exercice

\widehat{ABC}=34{,}47°

\widehat{ABC}=55{,}53°

\widehat{ABC}=29{,}51°

\widehat{ABC}=60{,}49°

\widehat{ABC}=48{,}54°

\widehat{ABC}=41{,}46°

\widehat{ABC}=27{,}95°

\widehat{ABC}=62{,}05°

\widehat{ABC}=59{,}93°

\widehat{ABC}=30{,}07°

\widehat{ABC}=40{,}87°

\widehat{ABC}=49{,}13°

\widehat{ABC}=27{,}35°

\widehat{ABC}=58{,}85°

\widehat{ABC}=62{,}65°

\widehat{ABC}=31{,}15°

\widehat{ABC}=41{,}91°

\widehat{ABC}=36{,}66°

\widehat{ABC}=48{,}09°

\widehat{ABC}=53{,}34°