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The function `f(x)=(sin 2x)^(tan^(2)2x)` is not defined at `x=(pi)/(4)`. The value of `f(pi//4)`, so that f is continuous at `x=pi//4`, is

A

`(1)/(sqrt(e))`

B

`(-1)/(sqrt(e))`

C

`sqrt(e)`

D

`e^(-2)`

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The correct Answer is:
A
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