Question Number 57007 by naka3546 last updated on 28/Mar/19
$$\mathrm{cosec}\:\left(\frac{\pi}{\mathrm{14}}\right)\:−\:\mathrm{4}\:\mathrm{cos}\:\left(\frac{\mathrm{2}\pi}{\mathrm{7}}\right)\:\:=\:\:? \\ $$
Commented by tanmay.chaudhury50@gmail.com last updated on 29/Mar/19
Commented by tanmay.chaudhury50@gmail.com last updated on 29/Mar/19
Commented by tanmay.chaudhury50@gmail.com last updated on 29/Mar/19
$${answer}\:{is}\:\mathrm{2}…{i}\:{am}\:{trying}… \\ $$
Answered by naka3546 last updated on 01/Apr/19
