The value of \( \sum_{k=1}^{10}\left(\sin \frac{2 k \pi}{11}+i \cos... VIDEO
The value of \( \sum_{k=1}^{10}\left(\sin \frac{2 k \pi}{11}+i \cos \frac{2 k \pi}{11}\right) \) (where \( \left.i=\sqrt{x}\right) \)https://bit.ly/YTAI_PWAP https://www.pw.live
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