E562 -- Quomodo sinus et cosinus angulorum multiplorum per producta exprimi queant
(On how sines and cosines of multiplied angles may be expressed by products)
Summary:
Euler presents cosine as an infinite product, related to
E246 and
E247. Faber says this is also in
the Introductio, pp. 258-283.
According to the records, it was presented to the St.
Petersburg Academy on May 12, 1774.
Publication:
-
Originally published in Opuscula Analytica 1, 1783, pp. 353-363
-
Opera Omnia: Series 1, Volume 15, pp. 509 - 521
Documents Available:
- Original Publication: E562
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