For any integer \( k \), let \( \alpha_{k}=\cos \left(\frac{k \pi}{... VIDEO
For any integer \( k \), let \( \alpha_{k}=\cos \left(\frac{k \pi}{7}\right)+i \sin \left(\frac{k \pi}{7}\right) \), wherehttps://bit.ly/YTAI_PWAP https://www.pw.live
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