1 1
/ /
| |
| sin(x) | sin(x)
| ------ dx = | ------ dx
| x + 1 | 1 + x
| |
/ /
0 0
$${{\left(\sin 1-i\,\cos 1\right)\,{\it expintegral\_e}\left(1 , 2\,i
\right)+\left(\sin 1+i\,\cos 1\right)\,{\it expintegral\_e}\left(1
, -2\,i\right)}\over{2}}-{{\left(\sin 1-i\,\cos 1\right)\,
{\it expintegral\_e}\left(1 , i\right)+\left(\sin 1+i\,\cos 1\right)
\,{\it expintegral\_e}\left(1 , -i\right)}\over{2}}$$
Ответ (Неопределённый)
[src] / /
| |
| sin(x) | sin(x)
| ------ dx = C + | ------ dx
| x + 1 | 1 + x
| |
/ /
$${{\left(\sin 1-i\,\cos 1\right)\,{\it expintegral\_e}\left(1 , i\,x
+i\right)+\left(\sin 1+i\,\cos 1\right)\,{\it expintegral\_e}\left(1
, -i\,x-i\right)}\over{2}}$$