Grade 12Differential Calculus
help please …....image attaced
help please …....image attaced
1 Answer
Ravi
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.
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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