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Question Number 186188 by aba last updated on 02/Feb/23
Prove that Π_(k=1) ^p tan(((kπ)/(2p+1)))=(√(2p+1))
$$\mathrm{Prove}\:\mathrm{that}\:\underset{\mathrm{k}=\mathrm{1}} {\overset{\mathrm{p}} {\prod}}\mathrm{tan}\left(\frac{\mathrm{k}\pi}{\mathrm{2p}+\mathrm{1}}\right)=\sqrt{\mathrm{2p}+\mathrm{1}} \\ $$

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