Integral de cos(3x)*sin(x/4) dx
Solución
Respuesta (Indefinida)
[src]
/ 3 /x\ 3 /x\ /x\ /x\ 2 /x\ 2 /x\
| 3008*sin (x)*sin|-| 512*cos (x)*cos|-| 4*cos(x)*cos|-| 16*sin(x)*sin|-| 752*sin (x)*cos(x)*cos|-| 128*cos (x)*sin(x)*sin|-|
| /x\ \4/ \4/ \4/ \4/ \4/ \4/
| cos(3*x)*sin|-| dx = C - ------------------- - ------------------ + --------------- + ---------------- - ------------------------- - -------------------------
| \4/ 2145 2145 15 15 2145 2145
|
/
∫sin(4x)cos(3x)dx=C−21453008sin(4x)sin3(x)−2145128sin(4x)sin(x)cos2(x)+1516sin(4x)sin(x)−2145752sin2(x)cos(4x)cos(x)−2145512cos(4x)cos3(x)+154cos(4x)cos(x)
Gráfica
4 4*cos(3)*cos(1/4) 48*sin(3)*sin(1/4)
- --- + ----------------- + ------------------
143 143 143
−1434+1434cos(41)cos(3)+14348sin(41)sin(3)
=
4 4*cos(3)*cos(1/4) 48*sin(3)*sin(1/4)
- --- + ----------------- + ------------------
143 143 143
−1434+1434cos(41)cos(3)+14348sin(41)sin(3)
-4/143 + 4*cos(3)*cos(1/4)/143 + 48*sin(3)*sin(1/4)/143
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.