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If 0leAle(pi)/(4)," then " tan^(-1)((1)/...

If `0leAle(pi)/(4)," then " tan^(-1)((1)/(2)tan2A)+tan^(-1)(cotA)+tan^(-1)(cot^3A)` is equal to

A

`(pi)/(4)`

B

`pi`

C

0

D

`(pi)/(2)`

Text Solution

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The correct Answer is:
B
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