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Evaluate: underset(xrarr(pi)/(4))"lim"(...

Evaluate: `underset(xrarr(pi)/(4))"lim"(sin x -cos x)/(x-(pi)/(4))`

A

1

B

`sqrt(2)`

C

2

D

`-sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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