La fonction Arccos x

La fonction Arccos x

12th Grade

7 Qs

quiz-placeholder

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La fonction Arccos x

La fonction Arccos x

Assessment

Quiz

Mathematics

12th Grade

Hard

Created by

carine Rimaux

Used 3+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 Arccos x = 0 ssiArc\cos\ x\ =\ 0\ ssi  

 x=0x=0  

  \    x=1x=1  

 x=π2x=\frac{\pi}{2}  

 x=πx=\pi  

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Quel est l'ensemble image de la fonction f(x) = Arccos x

[1,1]\left[-1,1\right]

[0,π]\left[0,\pi\right]

RR

[π2,π2]\left[-\frac{\pi}{2},\frac{\pi}{2}\right]

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 Arccos(cos x) = x         x  Arc\cos\left(\cos\ x\right)\ =\ x\ \ \ \ \ \ \ \ \ \forall x\ \in\   

 RR  

 [1,1]\left[-1,1\right]  

 [0,π]\left[0,\pi\right]  

 [0,2π]\left[0,2\pi\right]  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Arccos(12) =Arc\cos\left(-\frac{1}{2}\right)\ =  

  π6-\ \frac{\pi}{6}  

 π3-\frac{\pi}{3}  

 5π6\frac{5\pi}{6}  

 2π3\frac{2\pi}{3}  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 Arccos(sin(3π2)) =Arc\cos\left(\sin\left(\frac{3\pi}{2}\right)\right)\ =  

0

-1

 3π2\frac{3\pi}{2}  

 π\pi  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 Arccos(cos(7π6)) =Arc\cos\left(\cos\left(\frac{7\pi}{6}\right)\right)\ =  

 7π6\frac{7\pi}{6}  

 5π6\frac{5\pi}{6}  

 π6\frac{\pi}{6}  

 π6-\frac{\pi}{6}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Arccos(π)Arc\cos\left(\pi\right)  

 =1=-1  

 =π=\pi  

 nexiste pasn'existe\ pas