If x= sec ^(2) theta, y = tan ^(3) the...

If ` x= sec ^(2) theta, y = tan ^(3) theta,then " at " theta=(pi)/(3) , (dy)/(dx) =`

A

(a) `(-3sqrt(3))/2`

B

(b) `(3sqrt(3))/2`

C

(c) `(-1)/(2sqrt(3)`

D

(d) `1/(2sqrt(3))`

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The correct Answer is:

C

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