pi -- 4 / | | 1 | ----------------- dx | 2 + sin(x)*sin(x) | / 0
Integral(1/(2 + sin(x)*sin(x)), (x, 0, pi/4))
/ /x pi\ / /x\ \\ / /x pi\ / /x\ \\ / /x pi\ / /x\ \\
___________ | |- - --| | tan|-| || ___________ | |- - --| | tan|-| || ___________ | |- - --| | tan|-| ||
/ ___ | |2 2 | | \2/ || / ___ | |2 2 | | \2/ || ___ / ___ | |2 2 | | \2/ ||
\/ 2 - \/ 3 *|pi*floor|------| + atan|--------------|| 2*\/ 2 + \/ 3 *|pi*floor|------| + atan|--------------|| \/ 3 *\/ 2 + \/ 3 *|pi*floor|------| + atan|--------------||
/ | \ pi / | ___________|| | \ pi / | ___________|| | \ pi / | ___________||
| | | / ___ || | | / ___ || | | / ___ ||
| 1 \ \\/ 2 + \/ 3 // \ \\/ 2 - \/ 3 // \ \\/ 2 - \/ 3 //
| ----------------- dx = C - ----------------------------------------------------------------------- - ----------------------------------------------------------------------- + -----------------------------------------------------------------------
| 2 + sin(x)*sin(x) ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________
| / ___ / ___ ___ / ___ / ___ / ___ / ___ ___ / ___ / ___ / ___ / ___ ___ / ___ / ___
/ - 3*\/ 2 + \/ 3 *\/ 2 - \/ 3 + \/ 3 *\/ 2 + \/ 3 *\/ 2 - \/ 3 - 3*\/ 2 + \/ 3 *\/ 2 - \/ 3 + \/ 3 *\/ 2 + \/ 3 *\/ 2 - \/ 3 - 3*\/ 2 + \/ 3 *\/ 2 - \/ 3 + \/ 3 *\/ 2 + \/ 3 *\/ 2 - \/ 3
/ / ___ \\ / / ___ \\ ___________ ___________ / / ___ \\ ___________ ___________ / / ___ \\
| | -1 + \/ 2 || ___ | | -1 + \/ 2 || / ___ / ___ | | -1 + \/ 2 || ___ / ___ / ___ | | -1 + \/ 2 ||
2*|-pi + atan|--------------|| \/ 3 *|-pi + atan|--------------|| 2*\/ 2 + \/ 3 *\/ 2 - \/ 3 *|-pi + atan|--------------|| \/ 3 *\/ 2 + \/ 3 *\/ 2 - \/ 3 *|-pi + atan|--------------||
| | ___________|| | | ___________|| ___________ ___________ | | ___________|| ___________ ___________ | | ___________||
| | / ___ || ___ | | / ___ || / ___ / ___ | | / ___ || ___ / ___ / ___ | | / ___ ||
2*pi \ \\/ 2 + \/ 3 // pi*\/ 3 \ \\/ 2 + \/ 3 // 2*pi*\/ 2 + \/ 3 *\/ 2 - \/ 3 \ \\/ 2 - \/ 3 // pi*\/ 3 *\/ 2 + \/ 3 *\/ 2 - \/ 3 \ \\/ 2 - \/ 3 //
- ------------------------------------------- - ------------------------------------------- + ------------------------------------------- + ------------------------------------------- - ------------------------------------------- - ------------------------------------------------------------ + ------------------------------------------- + ----------------------------------------------------------------
___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________
/ ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___
- 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3
=
/ / ___ \\ / / ___ \\ ___________ ___________ / / ___ \\ ___________ ___________ / / ___ \\
| | -1 + \/ 2 || ___ | | -1 + \/ 2 || / ___ / ___ | | -1 + \/ 2 || ___ / ___ / ___ | | -1 + \/ 2 ||
2*|-pi + atan|--------------|| \/ 3 *|-pi + atan|--------------|| 2*\/ 2 + \/ 3 *\/ 2 - \/ 3 *|-pi + atan|--------------|| \/ 3 *\/ 2 + \/ 3 *\/ 2 - \/ 3 *|-pi + atan|--------------||
| | ___________|| | | ___________|| ___________ ___________ | | ___________|| ___________ ___________ | | ___________||
| | / ___ || ___ | | / ___ || / ___ / ___ | | / ___ || ___ / ___ / ___ | | / ___ ||
2*pi \ \\/ 2 + \/ 3 // pi*\/ 3 \ \\/ 2 + \/ 3 // 2*pi*\/ 2 + \/ 3 *\/ 2 - \/ 3 \ \\/ 2 - \/ 3 // pi*\/ 3 *\/ 2 + \/ 3 *\/ 2 - \/ 3 \ \\/ 2 - \/ 3 //
- ------------------------------------------- - ------------------------------------------- + ------------------------------------------- + ------------------------------------------- - ------------------------------------------- - ------------------------------------------------------------ + ------------------------------------------- + ----------------------------------------------------------------
___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________
/ ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___ / ___ ___ / ___
- 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3 - 9*\/ 2 + \/ 3 + 5*\/ 3 *\/ 2 + \/ 3
-2*pi/(-9*sqrt(2 + sqrt(3)) + 5*sqrt(3)*sqrt(2 + sqrt(3))) - 2*(-pi + atan((-1 + sqrt(2))/sqrt(2 + sqrt(3))))/(-9*sqrt(2 + sqrt(3)) + 5*sqrt(3)*sqrt(2 + sqrt(3))) + pi*sqrt(3)/(-9*sqrt(2 + sqrt(3)) + 5*sqrt(3)*sqrt(2 + sqrt(3))) + sqrt(3)*(-pi + atan((-1 + sqrt(2))/sqrt(2 + sqrt(3))))/(-9*sqrt(2 + sqrt(3)) + 5*sqrt(3)*sqrt(2 + sqrt(3))) - 2*pi*sqrt(2 + sqrt(3))*sqrt(2 - sqrt(3))/(-9*sqrt(2 + sqrt(3)) + 5*sqrt(3)*sqrt(2 + sqrt(3))) - 2*sqrt(2 + sqrt(3))*sqrt(2 - sqrt(3))*(-pi + atan((-1 + sqrt(2))/sqrt(2 - sqrt(3))))/(-9*sqrt(2 + sqrt(3)) + 5*sqrt(3)*sqrt(2 + sqrt(3))) + pi*sqrt(3)*sqrt(2 + sqrt(3))*sqrt(2 - sqrt(3))/(-9*sqrt(2 + sqrt(3)) + 5*sqrt(3)*sqrt(2 + sqrt(3))) + sqrt(3)*sqrt(2 + sqrt(3))*sqrt(2 - sqrt(3))*(-pi + atan((-1 + sqrt(2))/sqrt(2 - sqrt(3))))/(-9*sqrt(2 + sqrt(3)) + 5*sqrt(3)*sqrt(2 + sqrt(3)))
Use the examples entering the upper and lower limits of integration.