/ ____\
1 ____ ____ |\/ 10 |
/ \/ 10 *\/ pi *fresnelc|------|*gamma(1/4)
| | ____|
| / 2\ \\/ pi /
| cos\5*x / dx = -----------------------------------------
| 40*gamma(5/4)
/
0
$$-{{\sqrt{\pi}\,\left(\left(\sqrt{2}\,\sqrt{5}\,i-\sqrt{2}\,\sqrt{5}
\right)\,\mathrm{erf}\left({{\sqrt{2}\,\sqrt{5}\,i+\sqrt{2}\,\sqrt{5
}}\over{2}}\right)+\left(\sqrt{2}\,\sqrt{5}\,i+\sqrt{2}\,\sqrt{5}
\right)\,\mathrm{erf}\left({{\sqrt{2}\,\sqrt{5}\,i-\sqrt{2}\,\sqrt{5
}}\over{2}}\right)+\left(-\sqrt{2}\,\sqrt{5}\,i-\sqrt{2}\,\sqrt{5}
\right)\,\mathrm{erf}\left(\sqrt{5}\,\sqrt{-i}\right)+\left(\sqrt{2}
\,\sqrt{5}\,i-\sqrt{2}\,\sqrt{5}\right)\,\mathrm{erf}\left(\left(-1
\right)^{{{1}\over{4}}}\,\sqrt{5}\right)\right)}\over{80}}$$
Ответ (Неопределённый)
[src] / ____\
____ ____ |x*\/ 10 |
/ \/ 10 *\/ pi *fresnelc|--------|*gamma(1/4)
| | ____ |
| / 2\ \ \/ pi /
| cos\5*x / dx = C + -------------------------------------------
| 40*gamma(5/4)
/ $$-{{\sqrt{\pi}\,\left(\left(\sqrt{2}\,\sqrt{5}\,i-\sqrt{2}\,\sqrt{5}
\right)\,\mathrm{erf}\left({{\left(\sqrt{2}\,\sqrt{5}\,i+\sqrt{2}\,
\sqrt{5}\right)\,x}\over{2}}\right)+\left(\sqrt{2}\,\sqrt{5}\,i+
\sqrt{2}\,\sqrt{5}\right)\,\mathrm{erf}\left({{\left(\sqrt{2}\,
\sqrt{5}\,i-\sqrt{2}\,\sqrt{5}\right)\,x}\over{2}}\right)+\left(-
\sqrt{2}\,\sqrt{5}\,i-\sqrt{2}\,\sqrt{5}\right)\,\mathrm{erf}\left(
\sqrt{5}\,\sqrt{-i}\,x\right)+\left(\sqrt{2}\,\sqrt{5}\,i-\sqrt{2}\,
\sqrt{5}\right)\,\mathrm{erf}\left(\left(-1\right)^{{{1}\over{4}}}\,
\sqrt{5}\,x\right)\right)}\over{80}}$$