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Mathematics

12th Grade

Used 6+ times

INVERSE TRIGONOMETRIC FUNCTIONS XII
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12 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 sin1(12)\sin^{-1}\left(-\frac{1}{2}\right)  

 π6\frac{\pi}{6}  

 π6-\frac{\pi}{6}  

 7π6\frac{7\pi}{6}  

 11π6\frac{11\pi}{6}  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 sec1(23)\sec^{-1}\left(\frac{-2}{\sqrt{3}}\right)  =

 π6\frac{\pi}{6}  

 π6\frac{-\pi}{6}  

 5π6\frac{5\pi}{6}  

 7π6\frac{7\pi}{6}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 cosec(sec1(2))\operatorname{cosec}\left(\sec^{-1}\left(-2\right)\right)  =

2

-2

 23\frac{2}{\sqrt{3}}  

 23-\frac{2}{\sqrt{3}}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 sin(cos1 725)\sin\left(\cos^{-1}\ \frac{7}{25}\right)  =

 247\frac{24}{7}  

 724\frac{7}{24}  

 2425\frac{24}{25}  

 2524\frac{25}{24}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

3

-3

0

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 If tan1(cotθ)=2θ, then θ=If\ \tan^{-1}\left(\cot\theta\right)=2\theta,\ then\ \theta=  

 π3\frac{\pi}{3}  

 π4\frac{\pi}{4}  

 π6\frac{\pi}{6}  

none of these

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 If sin1xcos1x=π6, then x=If\ \sin^{-1}x-\cos^{-1}x=\frac{\pi}{6},\ then\ x=  

 32\frac{\sqrt{3}}{2}  

 12\frac{1}{2}  

 32-\frac{\sqrt{3}}{2}  

 12-\frac{1}{2}  

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