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If u = cot^(-1)sqrt(tan alpha) - tan^(-1...

If `u = cot^(-1)sqrt(tan alpha) - tan^(-1) sqrt(tan alpha)`, then `tan(pi/4-u/2)`=

A

`sqrt(an alpha)`

B

`sqrt(cot alpha)`

C

`tan alpha`

D

`cot alpha`

Text Solution

Verified by Experts

The correct Answer is:
A
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