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sum of series.............. logcosx/2+logx/4+logcosx/8+...............logcosx/2 n +logsinx/2 n

sum of series.............. logcosx/2+logx/4+logcosx/8+...............logcosx/2n+logsinx/2n

Grade:11

1 Answers

Amit Jain
askIITians Faculty 32 Points
7 years ago
Use logx + log y = logxy for all the terms. Then apply the sin2A= 2sinAcosA. The sum will be reduced to log(sinx/2^n). Hope that helps. Amit Jain IIT Delhi

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