Suppose `alpha, beta, gammaand delta` are the interior angles of regular pentagon, hexagon,

preview_player
Показать описание
Suppose `alpha, beta, gammaand delta` are the interior angles of regular pentagon, hexagon, decoagon and dedecogon respectively, find the values of `|cosalpha +sec beta+cos gamma+"coses"delta|.` Assume that all polygons are regular.
Рекомендации по теме