1
/ / 0 for a = 0
| |
| 2 |a cos(a)*sin(a)
| sin (a*x) dx = <- - -------------
| |2 2
/ |----------------- otherwise
0 \ a
$$-{{\sin \left(2\,a\right)-2\,a}\over{4\,a}}$$
Ответ (Неопределённый)
[src]$${{a\,x-{{\sin \left(2\,a\,x\right)}\over{2}}}\over{2\,a}}$$