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