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In any triangle ABC , \(cot\frac {A}{2}, cot \frac{B}{2}, cot \frac{C}{2}\) are in AP, then a,b,c are in??? Que2 what is the approch to solve such type of question in which he ask to find AP,GP,HP ?
Updated Mon, 26 Aug 2019 10:56 am
Which of the following statement is not correct with respect to malaria?