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4-sin-2pi-7-sec-pi-14-cot-pi-7-




Question Number 75748 by naka3546 last updated on 16/Dec/19
((4 sin (((2π)/7)) + sec ((π/(14))))/(cot ((π/7)))) = ?
$$\frac{\mathrm{4}\:\mathrm{sin}\:\left(\frac{\mathrm{2}\pi}{\mathrm{7}}\right)\:+\:\mathrm{sec}\:\left(\frac{\pi}{\mathrm{14}}\right)}{\mathrm{cot}\:\left(\frac{\pi}{\mathrm{7}}\right)}\:=\:? \\ $$

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