/ / ___ ___ \\ ___ | |\/ 3 2*\/ 3 *tan(1/2)|| 2*\/ 3 *|-pi + atan|----- + ----------------|| ___ \ \ 3 3 // 5*pi*\/ 3 ---------------------------------------------- + ---------- 3 9
=
/ / ___ ___ \\ ___ | |\/ 3 2*\/ 3 *tan(1/2)|| 2*\/ 3 *|-pi + atan|----- + ----------------|| ___ \ \ 3 3 // 5*pi*\/ 3 ---------------------------------------------- + ---------- 3 9
0.410833926083987
/ /x pi\ / ___ /x\\\ | |- - --| | ___ 2*\/ 3 *tan|-||| / ___ | |2 2 | |\/ 3 \2/|| | 2*\/ 3 *|pi*floor|------| + atan|----- + --------------|| | 1 \ \ pi / \ 3 3 // | 1*---------- dx = C + --------------------------------------------------------- | 2 + sin(x) 3 | /