1
/
| 5 5 3 2 4 2 3
| 5 8*cos (1) 149*sin (1) 4 4*cos (1)*sin (1) 8*cos (1)*sin(1) 52*cos (1)*sin (1)
| sin (x)*x dx = - --------- + ----------- - sin (1)*cos(1) - ----------------- + ---------------- + ------------------
| 15 225 3 15 45
/
0
$${{9\,\sin 5-45\,\cos 5-125\,\sin 3+375\,\cos 3+2250\,\sin 1-2250\,
\cos 1}\over{3600}}$$
Ответ (Неопределённый)
[src] /
| 5 5 4 2 3 3 2
| 5 149*sin (x) 8*x*cos (x) 8*cos (x)*sin(x) 52*cos (x)*sin (x) 4 4*x*cos (x)*sin (x)
| sin (x)*x dx = C + ----------- - ----------- + ---------------- + ------------------ - x*sin (x)*cos(x) - -------------------
| 225 15 15 45 3
/
$${{9\,\sin \left(5\,x\right)-45\,x\,\cos \left(5\,x\right)-125\,
\sin \left(3\,x\right)+375\,x\,\cos \left(3\,x\right)+2250\,\sin x-
2250\,x\,\cos x}\over{3600}}$$