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Ifx=a(cost+tsint),y=a(sint-tcost)," then...

If`x=a(cost+tsint),y=a(sint-tcost)," then "((dx)/(dt))^(2)+((dy)/(dt))^(2)=`

A

`-t^(2)`

B

`t^(2)`

C

`-a^(2)t^(2)`

D

`a^(2)t^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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MARVEL PUBLICATION-DIFFERENTIATION-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 11)
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