If u=2(t-sint)andv=2(1-cost), then (dv)...

If `u=2(t-sint)andv=2(1-cost)`,
then `(dv)/(du)` at `t=(2pi)/(3)` is equal to

A

`sqrt(3)`

B

`-sqrt(3)`

C

`2sqrt(3)`

D

`(1)/(sqrt(3))`

Verified by Experts

The correct Answer is:

D

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