1 / | | 1 | --------------------- dx | 2 2 | 4*cos (x) + 3*sin (x) | / 0
Integral(1/(4*cos(x)^2 + 3*sin(x)^2), (x, 0, 1))
/ /x pi\ / ___ /x\\\ / /x pi\ / ___ /x\\\ | |- - --| | ___ 2*\/ 3 *tan|-||| | |- - --| | ___ 2*\/ 3 *tan|-||| / ___ | |2 2 | | \/ 3 \2/|| ___ | |2 2 | |\/ 3 \2/|| | \/ 3 *|pi*floor|------| + atan|- ----- + --------------|| \/ 3 *|pi*floor|------| + atan|----- + --------------|| | 1 \ \ pi / \ 3 3 // \ \ pi / \ 3 3 // | --------------------- dx = C + --------------------------------------------------------- + ------------------------------------------------------- | 2 2 6 6 | 4*cos (x) + 3*sin (x) | /
/ / ___ ___ \\ / / ___ ___ \\ ___ | |\/ 3 2*\/ 3 *tan(1/2)|| ___ | |\/ 3 2*\/ 3 *tan(1/2)|| ___ \/ 3 *|-pi - atan|----- - ----------------|| \/ 3 *|-pi + atan|----- + ----------------|| pi*\/ 3 \ \ 3 3 // \ \ 3 3 // -------- + -------------------------------------------- + -------------------------------------------- 3 6 6
=
/ / ___ ___ \\ / / ___ ___ \\ ___ | |\/ 3 2*\/ 3 *tan(1/2)|| ___ | |\/ 3 2*\/ 3 *tan(1/2)|| ___ \/ 3 *|-pi - atan|----- - ----------------|| \/ 3 *|-pi + atan|----- + ----------------|| pi*\/ 3 \ \ 3 3 // \ \ 3 3 // -------- + -------------------------------------------- + -------------------------------------------- 3 6 6
pi*sqrt(3)/3 + sqrt(3)*(-pi - atan(sqrt(3)/3 - 2*sqrt(3)*tan(1/2)/3))/6 + sqrt(3)*(-pi + atan(sqrt(3)/3 + 2*sqrt(3)*tan(1/2)/3))/6
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.