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Inverse trigonometric Functions

Authored by Anshu Sinha

Mathematics

12th Grade

CCSS covered

Used 30+ times

Inverse trigonometric Functions
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1.     The value of  
 cos1 (cos 7π6)\cos^{-1\ }\left(\cos\ \frac{7\pi}{6}\right) is  

 π6\frac{\pi}{6}  

 π6-\frac{\pi}{6}  

 7π6\frac{7\pi}{6}  

 5π6\frac{5\pi}{6}  

Tags

CCSS.HSF.TF.B.7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The value of
 sin1(sin 12) +cos1(cos12)\sin^{-1}\left(\sin\ 12\right)\ +\cos^{-1}\left(\cos12\right)  is

 00  

 24  2π24\ -\ 2\pi  

 4π  244\pi\ -\ 24  

None of these

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 cos[tan1{sin(cot1x)}] =\cos\left[\tan^{-1}\left\{\sin\left(\cot^{-1}x\right)\right\}\right]\ =  

 x2 +2x2 + 3\sqrt{\frac{x^2\ +2}{x^2\ +\ 3}}  

 x2 + 2x2 + 1\sqrt{\frac{x^2\ +\ 2}{x^2\ +\ 1}}  

 x2 + 1x2 +2\sqrt{\frac{x^2\ +\ 1}{x^2\ +2}}  

None of these

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 sin (π3  sin1(12)) =\sin\ \left(\frac{\pi}{3}\ -\ \sin^{-1}\left(-\frac{1}{2}\right)\right)\ =  

1

- 1 

0

 12\frac{1}{2}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If  sin1x  cos1x = π6, then x =\sin^{-1}x\ -\ \cos^{-1}x\ =\ \frac{\pi}{6},\ then\ x\ =  

 32\frac{\sqrt{3}}{2}  

 32-\frac{\sqrt{3}}{2}  

 12\frac{1}{2}  

 12-\frac{1}{2}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 cos1(cos 2π3) +sin1(sin 2π3) =\cos^{-1}\left(\cos\ \frac{2\pi}{3}\right)\ +\sin^{-1}\left(\sin\ \frac{2\pi}{3}\right)\ =  

 π2\frac{\pi}{2}  

 π2-\frac{\pi}{2}  

 π\pi  

 π-\pi  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If xy < 1 and
 tan1x + tan1y = π4\tan^{-1}x\ +\ \tan^{-1}y\ =\ \frac{\pi}{4}  , then the value of x + y + xy =

1

-1

 12\frac{1}{2}  

 12-\frac{1}{2}  

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