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Prove that TanA + 2Tan2A +4Tan4A +8Tan8A+.........2^(n-1)Tan(2^n-1 A)= cot A

Prove that TanA + 2Tan2A +4Tan4A +8Tan8A+.........2^(n-1)Tan(2^n-1 A)= cot A

Grade:11

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
6 years ago
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