find-k-o-n-sin-k-

Question Number 198232 by SANOGO last updated on 16/Oct/23

f i n d

\underset{k = o}{\sum^{n}} s i n (k)

Answered by witcher3 last updated on 14/Oct/23

\sin (k) \in R

Im (\underset{k = 0}{\sum^{n}} \sin (k)) = Im (\underset{k = 0}{\sum^{n}} \sin (k) + i . 0) = 0

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