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If f(x)=(1-cosx)/(1-sinx)," then: "f'((p...

If `f(x)=(1-cosx)/(1-sinx)," then: "f'((pi)/(2))` is

A

1

B

0

C

`oo`

D

indeterminate

Text Solution

Verified by Experts

The correct Answer is:
D
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