Free Printable ITF QUIZ

1.

a)

D

b)

B

c)

C

d)

A

2.

a)

B

b)

C

c)

A

d)

D

3.

a)

$\pm\frac{1}{\sqrt[]{2}}$

b)

$\pm\frac{1}{\sqrt[]{5}}$

c)

$\pm\frac{1}{\sqrt[]{3}}$

d)

None

4.

if x ,y,z are in A.P and $\tan^{-1}x\ ,\ \tan^{-1}y\ ,\tan^{-1}z$ are also in AP then

a)

x=1,y=1,z=6

b)

x=y=z

c)

x=y=-z

d)

x=2,y=4,z=6

5.

a)

0

b)

-1

c)

1

d)

2

6.

a)

B

b)

A

c)

C

d)

D

7.

If $\tan^{-1}x=\frac{\pi}{10},$ then value of $\cot^{-1}x$ is

a)

$\frac{\pi}{5}$

b)

$\frac{2\pi}{5}$

c)

$\frac{3\pi}{5}$

d)

$\frac{4\pi}{5}$

8.

If $\sin^{-1}x+\sin^{-1}y=\frac{\pi}{2}$ , then the value of $\cos^{-1}x+\cos^{-1}y=$

a)

$\frac{\pi}{2}$

b)

$\pi$

c)

$0$

d)

$\frac{2\pi}{3}$

9.

The equation $\tan^{-1}x-\cot^{-1}x=\tan^{-1}\left(\frac{1}{\sqrt{3}}\right)$ has

a)

no solution

b)

unique solution

c)

infinite number of solutions

d)

two solutions

10.

The value of $\tan^2\left(\sec^{-1}2\right)+\cot^2\left(\operatorname{cosec}^{-1}3\right)$ is

a)

5

b)

11

c)

13

d)

15

11.

cos^-1(0) =

a)

π/2

b)

π

c)

1

d)

none of these

12.

a)

B

b)

C

c)

A

d)

D

13.

a)

(2)

b)

(1)

c)

(4)

d)

(3)

14.

a)

( $0,\frac{\pi}{2}$ ]

b)

( $0,\pi$ ]

c)

$\left[0,\ \cos^{-1}\left(\frac{3}{4}\right)\right]$

d)

None

ITF QUIZ

Total questions: 14

Worksheet time: 9mins

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