
angles orientés et trigonométrie
Authored by gaelle ouandji
Mathematics
2nd Grade
Used 2+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est la formule pour calculer le sinus d'un angle ?
sin(θ) = côté opposé/côté adjacent
sin(θ) = hypotenuse / côté opposé
sin(θ) = côté opposé/hypothénuse
sin(θ) = côté adjacent/ hypothénuse
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for finding the cosine of an angle?
cos(θ) = opposite / hypotenuse
cos(θ) = hypotenuse / adjacent
cos(θ) = adjacent + hypotenuse
cos(θ) = adjacent / hypotenuse
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la valeur du sinus de 0 radian ?
0
0.5
-1
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la valeur exacte du cosinus de 2π/3?
√3/2
0,5
-√3/2
-0,5
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Quel relation existe t'il entre le cosinus de deux angles de mesure opposé ?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Soit u,v et w des vecteurs du plan. mes(u,v)=
mes(u,w) + mes( v,w)
mes (v,u) + mes (u, w)
mes (w,u) + mes (w,v)
mes (u,w) + mes (w,v)
7.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Réduis la somme algébrique suivante :
cos( x-π) + cos(-x) + cos(x+π) - sin(x-π/2)
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