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If x =a (t + sin t), y =a (1- cos t) and...

If `x =a (t + sin t), y =a (1- cos t) and (dy)/(dx) = tanp ` then p =

A

`(2a )/(y) `

B

`(-2)/( x ^(3))`

C

`(b ^(2) x))/( a ^(2) y)`

D

t/2

Text Solution

Verified by Experts

The correct Answer is:
D
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