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The complete solution set of [tan^(-1)x]...

The complete solution set of `[tan^(-1)x]^(2)-8[tan^(-1)x]+16 le 0`, where [ ] denotes the greatest integer function, is

A

`(-infty, tan4]`

B

`[tan4, tan3]`

C

`(tan5,infty)`

D

Does not exist

Text Solution

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The correct Answer is:
D
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