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If y=tanx then (dy)/(dx) at x=(pi)/(4) i...

If `y=tanx` then `(dy)/(dx)` at `x=(pi)/(4)` is equal to:

A

0

B

`(1)/(sqrt2)`

C

`sqrt2`

D

2

Text Solution

Verified by Experts

The correct Answer is:
D
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