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if sinx =(2t)/(1+t^(2)) , tany= (2t)/(1-...

if `sinx =(2t)/(1+t^(2)) , tany= (2t)/(1- t^(2))` then `(dy)/(dx)` is equal to

A

1

B

0

C

`-1`

D

2

Text Solution

Verified by Experts

The correct Answer is:
D
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