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1+2sec 2 A.tan 2 A-sec 4 A-tan 4 A

1+2sec2A.tan2A-sec4A-tan4A

Grade:12th pass

1 Answers

Vijay Mukati
askIITians Faculty 2590 Points
7 years ago
Hint: Can you the formula of (a+b)2 here to simplify it.

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