smplify-A-np-k-0-n-1-cos-pk-and-B-np-k-0-n-1-sin-pk-with-p-fromN-

Tinku Tara June 4, 2023 Algebra 0 Comments

Question Number 49249 by maxmathsup by imad last updated on 04/Dec/18

smplify A_(np) =Σ_(k=0) ^(n−1) cos(pk) and B_(np) =Σ_(k=0) ^(n−1) sin(pk) with p fromN

$${smplify}\:{A}_{{np}} =\sum_{{k}=\mathrm{0}} ^{{n}−\mathrm{1}} \:{cos}\left({pk}\right)\:\:{and}\:{B}_{{np}} \:=\sum_{{k}=\mathrm{0}} ^{{n}−\mathrm{1}} \:{sin}\left({pk}\right)\:{with}\:{p}\:{fromN} \\ $$

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smplify-A-np-k-0-n-1-cos-pk-and-B-np-k-0-n-1-sin-pk-with-p-fromN-

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