E655 -- Observationes generales circa series, quarum termini secundum sinus vel cosinus angulorum multiplorum progrediuntur

(General observations about series, of which the terms arising for the sines or cosines of multiplied angles come forth)


This paper, along with E592 and E636, seems to consider the binomial expansion (1+z)n in the case where z is complex.

According to the records, it was presented to the St. Petersburg Academy on March 6, 1777.

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