angles orientés et trigonométrie

angles orientés et trigonométrie

2nd Grade

12 Qs

quiz-placeholder

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angles orientés et trigonométrie

angles orientés et trigonométrie

Assessment

Quiz

Mathematics

2nd Grade

Medium

Created by

gaelle ouandji

Used 2+ times

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12 questions

Show all answers

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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