If x= cos (2t) and y =sin (2t) then (dy...

If `x= cos (2t)` and `y =sin (2t)` then `(dy)/(dx)=`

A

`-tan (2t)`

B

`tan (2t)`

C

`-cot(2t)`

D

`cot(2t)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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