Consider the following statements :
1. If ABC is an equilateral triangle, then 3 tan (A + B) tan C = 1.
2. If ABC is a triangle in which A = 78°, B = 66°, then tan (B + C)/2 < tan A.
3. If ABC is any triangle, then tan (A + B)/2 = cot (C/2).
Which of the above statements is/are correct?
Mathematics
2016
NDA Mathematics 2016
NDA 2016
Options
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