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

If `sinx=(2t)/(1+t^2)` , `tany=(2t)/(1-t^2)` , find `(dy)/(dx)` .

A

(a) 1

B

(b) 0

C

(c) -1

D

(d) 2

Text Solution

Verified by Experts

The correct Answer is:
A
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