quelle est la valeur de cos(pi/3) ?
Trigonométrie

Quiz
•
Others
•
2nd Grade
•
Hard
Manon Heymonet
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
1/2
racine de 3/2
racine de 2/2
0
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Vrai ou faux: pour tout réel x, on a cos(x) = cos (-x)
Vrai
Faux
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Détermine le résultat de sin(pi/3 + x) - sin (pi/3 - x)
racine de 3/2 cos(x) -1/2 sin(x)
1/2
racine de 9/6 cos(x) + 3 sin(x)
0
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
14pi/6 c’est aussi:
1pi/3
2pi/6
-10pi/6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2cos(-x) + cos(pi-x) + 5sin(pi/2 -x) - 3cos(pi+x) =?
5cos(x)
-1cos(x)
9cos(x)
10sin(x)
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quelle est la formule de cos (a-b) ?
cos (a) cos (b) + sin (a) sin (b)
cos (a) cos (b) - sin (a) sin (b)
sin (a) cos (b) + cos (a) sin (b)
sin (a) cos (b) - cos (a) sin (b)
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quelle est la formule de sin (a-b) ?
sin (a) cos (b) + cos (a) sin (b)
sin (a) cos (b) - cos (a) sin (b)
cos (a) cos (b) - sin (a) sin(b)
cos (a) cos (b) + sin (a) sin (b)
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