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Lt(x to oo)x cos ((pi)/(4x))sin((pi)/(4x...

`Lt_(x to oo)x cos ((pi)/(4x))sin((pi)/(4x))=`

A

`(pi)/(2)`

B

`(pi)/(4)`

C

`oo`

D

1

Text Solution

Verified by Experts

The correct Answer is:
B
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