CBSE X - TRIGONOMETRIC IDENTITIES 10th Grade Quiz

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16 questions

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1.

MULTIPLE CHOICE

2 mins • 1 pt

$What\ is\ the\ value\ of\ \sin^2x\ \ +\ \frac{1}{1+\tan^2x}$

2.

MULTIPLE CHOICE

3 mins • 1 pt

$\frac{\tan x}{\sec x-1}+\frac{\tan x}{\sec\ x\ +1\ }=?$

3.

MULTIPLE CHOICE

1 min • 1 pt

$9\sec^2x\ -\ 9\tan^2x\ =\ ?$

4.

MULTIPLE CHOICE

3 mins • 1 pt

If 8 tan x = 15, then sin x – cos x is equal to

5.

MULTIPLE CHOICE

1 min • 1 pt

secx . cosx = ?

6.

MULTIPLE CHOICE

1 min • 1 pt

tan x = 2/5, cos x = 5/2 then sin x ?

7.

MULTIPLE CHOICE

2 mins • 1 pt

tan x = 7/10, sin x = 2/5 then sec x = ?

8.

MULTIPLE CHOICE

1 min • 1 pt

$\tan^2x\ -\ \sec^2x\ =\ ?$

9.

MULTIPLE CHOICE

2 mins • 1 pt

$\left(1\ +\ \cot^2x\right)\cos^2x\ =\ ?$

$\tan^2x$

$\sin^2x$

$\cot^2x$

$\cos^2x$

10.

MULTIPLE CHOICE

2 mins • 1 pt

$\left(1\ +\ \tan^2x\right)\sin^2x\ =\ ?$

$\tan^2x$

$\sin^2x$

1

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