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  5. Quiz On Inverse Trigonometric Functions 29.7.2020

Quiz on Inverse Trigonometric functions 29.7.2020

Authored by Chandrasekar Ram

Mathematics

12th Grade

Used 3+ times

Quiz on Inverse Trigonometric functions 29.7.2020
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 cos(cos1(12)) = \cos\left(\cos^{-1}\left(-\frac{1}{2}\right)\right)\ =\   

 π3-\frac{\pi}{3}  

 π3\frac{\pi}{3}  

 2π3\frac{2\pi}{3}  

 2π3-\frac{2\pi}{3}  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 tan(π4) = \tan\left(\frac{\pi}{4}\right)\ =\   

-1

1

 12\frac{1}{√2}  

 2√2  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 cos1(cos(π4)) =\cos^{-1}\left(\cos\left(-\frac{\pi}{4}\right)\right)\ =  

 12\frac{1}{√2}  

1

 12-\frac{1}{√2}  

 1-1  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an increasing function?

tan1(x)\tan^{-1}\left(x\right)

sin1(x)\sin^{-1}\left(x\right)

cos1(x)\cos^{-1}\left(x\right)

sin(x)\sin\left(x\right)

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 cos(cos1(x)) = x only if\cos\left(\cos^{-1}\left(x\right)\right)\ =\ x\ only\ if  

 x  1\left|x\right|\ \le\ 1  

 1  x  1-1\ \le\ x\ \le\ 1  

 x  1\left|x\right|\ \ge\ 1  

 [0,2π]\left[0,2\pi\right]  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tan^-1(-√3)

π3\frac{\pi}{3}

π3-\frac{\pi}{3}

2π3\frac{2\pi}{3}

None of theseNone\ of\ these

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin( π3) = \sin\left(\ \frac{\pi}{3}\right)\ =\   

 12\frac{1}{2}  

 12\frac{1}{√2}  

 2√2  

 32\frac{√3}{2}  

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