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find-tbe-value-of-k-1-n-sin-kpi-n-1-




Question Number 31498 by abdo imad last updated on 09/Mar/18
find tbe value of Π_(k=1) ^n  sin(((kπ)/(n+1))).
$${find}\:{tbe}\:{value}\:{of}\:\prod_{{k}=\mathrm{1}} ^{{n}} \:{sin}\left(\frac{{k}\pi}{{n}+\mathrm{1}}\right). \\ $$

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