help please …....image attaced

help please …....image attaced

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1 Answers

askIITians Faculty 69 Points
8 years ago
The equality would be simplified to tanx >=1
This would be solved to get the answer x>=pi/4

So the solution should be x ranging [pi/4,pi/2) whcih none of the options have. So none of these.
NOTE: It should include pi/4 and should not include pi/2 in the range.

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