Integral of (tg(3x)^3)/cos(3x)^2 dx
The solution
The answer (Indefinite)
[src]
/
|
| 3 2
| tan (3*x) -1 + 2*cos (3*x)
| --------- dx = C - ----------------
| 2 4
| cos (3*x) 12*cos (3*x)
|
/
∫cos2(3x)tan3(3x)dx=C−12cos4(3x)2cos2(3x)−1
The graph
Use the examples entering the upper and lower limits of integration.