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Liina682
@Liina682
May 2019
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Svppppp AIDER MOI c pour demain j'arrive pa !
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chrystine
Verified answer
Bonjour
2) sin (ABC)=AC/BC
sin 35°=AC/9
9*sin(35)≈5.2 cm
cos( ABC)=AB/BC
cos 35°=AB/9
9*cos(35)≈7.4 cm
3) sin 56°=7/FD
7/sin(56)≈8.4 cm
tan 56°=7/FE
7/tan(56)≈4.7 cm
4)cos 64°=3/GH
3/cos(64)≈6.8 cm
tan 64°=GI/3
3*tan(64)≈6.1 cm
2 votes
Thanks 1
chrystine
merci à toi pour la récompense
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Bonsoir , svp aider moi que pour 1 Calcul C= 54*10^-1 -83*10^-2 / 10^-2 Merci !!
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Bonjours, Qui pourrais m'aider svp dernier exercice ^^ Que l'exercice 53 .
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Bonsoir, J'ai une exercice de math que j'arrive pas trop qui pourrais m'aider ? c'est que l'exercice 50 svp j'vous remercie :)
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Bonjour svp Aider moi j'ai reusis 1 exercice mais pas celui-ci Merci de m'aider J'ai mis des photos
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Verified answer
Bonjour2) sin (ABC)=AC/BC
sin 35°=AC/9
9*sin(35)≈5.2 cm
cos( ABC)=AB/BC
cos 35°=AB/9
9*cos(35)≈7.4 cm
3) sin 56°=7/FD
7/sin(56)≈8.4 cm
tan 56°=7/FE
7/tan(56)≈4.7 cm
4)cos 64°=3/GH
3/cos(64)≈6.8 cm
tan 64°=GI/3
3*tan(64)≈6.1 cm