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If x=a(theta+sintheta), y=a(1+costheta) ...

If `x=a(theta+sintheta), y=a(1+costheta) " then " (dy)/(dx)` is

A

`tan""theta/2`

B

`-tan""theta/2`

C

`cot""theta/2`

D

`-cot""theta/2`

Text Solution

Verified by Experts

The correct Answer is:
B
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