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tan 2 A sec 2 A (cot 2 A – cos 2 A) = ?

tan2 A sec2 A (cot2 A – cos2 A) = ?

Grade:11

1 Answers

Vijay Mukati
askIITians Faculty 2590 Points
7 years ago
Ans: = 1. (Hint: Use a2-b2 = (a+b)(a-b) and convert cotA into cosA/sinA)

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