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x = cos^(-1)((1)/(sqrt(1+t^(2)))),y = si...

`x = cos^(-1)((1)/(sqrt(1+t^(2)))),y = sin^(-1)((t)/(sqrt(1+t^(2))))rArr(dy)/(dx)` is equal to

A

0

B

tan t

C

1

D

sin t cos t

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Verified by Experts

The correct Answer is:
C
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