1 _
/ |_ / 1/6 | \
| gamma(1/6)* | | | -1/4|
| / 3\ 1 2 \1/2, 7/6 | /
| cos\x / dx = ---------------------------------
| 6*gamma(7/6)
/
0
$${{i\,\Gamma\left({{1}\over{3}} , i\right)}\over{12}}-{{i\,\Gamma
\left({{1}\over{3}} , -i\right)}\over{12}}$$
Ответ (Неопределённый)
[src]
_ / | 6 \
/ |_ | 1/6 | -x |
| x*gamma(1/6)* | | | ----|
| / 3\ 1 2 \1/2, 7/6 | 4 /
| cos\x / dx = C + -----------------------------------
| 6*gamma(7/6)
/
$${{i\,\Gamma\left({{1}\over{3}} , i\,x^3\right)-i\,\Gamma\left({{1
}\over{3}} , -i\,x^3\right)}\over{12}}$$