Integral de 1/((1+cosx+sinx)^2) dx
Solución
Respuesta (Indefinida)
[src]
/ 2/x\ / /x\\ / /x\\ /x\
| tan |-| 2*log|1 + tan|-|| 2*log|1 + tan|-||*tan|-|
| 1 3 \2/ \ \2// \ \2// \2/
| ---------------------- dx = C - ------------ + ------------ - ----------------- - ------------------------
| 2 /x\ /x\ /x\ /x\
| (1 + cos(x) + sin(x)) 2 + 2*tan|-| 2 + 2*tan|-| 2 + 2*tan|-| 2 + 2*tan|-|
| \2/ \2/ \2/ \2/
/
∫((cos(x)+1)+sin(x))21dx=C−2tan(2x)+22log(tan(2x)+1)tan(2x)−2tan(2x)+22log(tan(2x)+1)+2tan(2x)+2tan2(2x)−2tan(2x)+23
Gráfica
2
3 3 tan (1/2) 2*log(1 + tan(1/2)) 2*log(1 + tan(1/2))*tan(1/2)
- - -------------- + -------------- - ------------------- - ----------------------------
2 2 + 2*tan(1/2) 2 + 2*tan(1/2) 2 + 2*tan(1/2) 2 + 2*tan(1/2)
−2tan(21)+23−2tan(21)+22log(tan(21)+1)−2tan(21)+22log(tan(21)+1)tan(21)+2tan(21)+2tan2(21)+23
=
2
3 3 tan (1/2) 2*log(1 + tan(1/2)) 2*log(1 + tan(1/2))*tan(1/2)
- - -------------- + -------------- - ------------------- - ----------------------------
2 2 + 2*tan(1/2) 2 + 2*tan(1/2) 2 + 2*tan(1/2) 2 + 2*tan(1/2)
−2tan(21)+23−2tan(21)+22log(tan(21)+1)−2tan(21)+22log(tan(21)+1)tan(21)+2tan(21)+2tan2(21)+23
3/2 - 3/(2 + 2*tan(1/2)) + tan(1/2)^2/(2 + 2*tan(1/2)) - 2*log(1 + tan(1/2))/(2 + 2*tan(1/2)) - 2*log(1 + tan(1/2))*tan(1/2)/(2 + 2*tan(1/2))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.