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If x= sin (log t ),y =log (sin t ) ,the...

If ` x= sin (log t ),y =log (sin t ) ,then (dy)/(dx)=`

A

` (tcot t )/( cos (logt)) `

B

` (-tcot t )/( cos (logt)) `

C

`(t tant )/( cos(logt))`

D

` (-t tan t )/( cos (log t))`

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The correct Answer is:
A
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