Question Number 96135 by Farruxjano last updated on 30/May/20
Commented by john santu last updated on 30/May/20
$$\mathrm{I}\:=\:\frac{\pi}{\mathrm{2n}\:\mathrm{sin}\:\left(\frac{\pi}{\mathrm{2n}}\right)}\: \\ $$
Commented by Farruxjano last updated on 30/May/20
$$\boldsymbol{{Please}}\:\boldsymbol{{help}}\:\boldsymbol{{me}}\:... \\ $$
Commented by Farruxjano last updated on 30/May/20
$$\boldsymbol{{Please}},\:\boldsymbol{{only}}\:\boldsymbol{{faster}}... \\ $$
Commented by Farruxjano last updated on 30/May/20
$$\mathrm{Please}\:\mathrm{i}\:\mathrm{need}\:\mathrm{the}\:\mathrm{solution} \\ $$
Commented by mathmax by abdo last updated on 30/May/20
$$\mathrm{the}\:\mathrm{correct}\:\mathrm{answer}\:\mathrm{is}\:\frac{\pi}{\mathrm{2nsin}\left(\frac{\pi}{\mathrm{2n}}\right)} \\ $$