A) -4
B) -2
C) 2
D) 4
Correct Answer: C
Solution :
Given, \[\tan \alpha +\cot \alpha =2\] or \[\tan \alpha +\cot \alpha +2-2=2\] or \[({{\left( \sqrt{\tan \alpha }+\sqrt{\cot \alpha } \right)}^{2}}=4\] or \[\sqrt{\tan \alpha }+\sqrt{\cot \alpha }=2\]You need to login to perform this action.
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