Test Index

UPSC NDA Math Model Paper 5

Show Para Hide Para

Comprehension:(Que No. 25 - 26)

Directions: For the next two (02) items that follow:

Consider the curve

x = a(\cos \theta + \theta \sin \theta)

and

y = a(\sin \theta - \theta \cos \theta)

© examsnet.com

Question : 25 of 120

Marks: +1, -0

What is

\frac{dy}{dx}

equal to?

$\tan \theta$
$\cot \theta$
$\sin 2\theta$
$\cos 2\theta$

Go to Question:

Prev Question

Next Question