CBSE Class 11-science Answered
derive the formula for finding the sum of the series of the following sequences :
1) Sinx + Sin2x + Sin3x + ....+ Sinnx
2) Cosx + Cos2x + Cos3x +.....+ Cosnx
Asked by nitishkrnehu09 | 06 Nov, 2016, 09:07: PM
Expert Answer
Answered by Rebecca Fernandes | 06 Nov, 2016, 10:14: PM
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