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/ ___ \
/ ___ ____ |x*\/ 6 |
| \/ 6 *\/ pi *C|--------|
| / 2\ | ____|
| |x | \3*\/ pi /
| cos|--| dx = C + ------------------------
| \3 / 2
|
/
$$-{{\sqrt{\pi}\,\left(\left(\sqrt{2}\,\sqrt{3}\,i-\sqrt{2}\,\sqrt{3}
\right)\,\mathrm{erf}\left({{\left(\sqrt{2}\,i+\sqrt{2}\right)\,x
}\over{2\,\sqrt{3}}}\right)+\left(\sqrt{2}\,\sqrt{3}\,i+\sqrt{2}\,
\sqrt{3}\right)\,\mathrm{erf}\left({{\left(\sqrt{2}\,i-\sqrt{2}
\right)\,x}\over{2\,\sqrt{3}}}\right)+\left(-\sqrt{2}\,\sqrt{3}\,i-
\sqrt{2}\,\sqrt{3}\right)\,\mathrm{erf}\left({{\sqrt{-i}\,x}\over{
\sqrt{3}}}\right)+\left(\sqrt{2}\,\sqrt{3}\,i-\sqrt{2}\,\sqrt{3}
\right)\,\mathrm{erf}\left({{\left(-1\right)^{{{1}\over{4}}}\,x
}\over{\sqrt{3}}}\right)\right)}\over{16}}$$
/ ___ \
___ ____ | \/ 6 |
\/ 6 *\/ pi *C|--------|*Gamma(1/4)
| ____|
\3*\/ pi /
-----------------------------------
8*Gamma(5/4)
$$-{{\sqrt{\pi}\,\left(\left(\sqrt{2}\,\sqrt{3}\,i-\sqrt{2}\,\sqrt{3}
\right)\,\mathrm{erf}\left({{\sqrt{2}\,i+\sqrt{2}}\over{2\,\sqrt{3}
}}\right)+\left(\sqrt{2}\,\sqrt{3}\,i+\sqrt{2}\,\sqrt{3}\right)\,
\mathrm{erf}\left({{\sqrt{2}\,i-\sqrt{2}}\over{2\,\sqrt{3}}}\right)+
\left(-\sqrt{2}\,\sqrt{3}\,i-\sqrt{2}\,\sqrt{3}\right)\,\mathrm{erf}
\left({{\sqrt{-i}}\over{\sqrt{3}}}\right)+\left(\sqrt{2}\,\sqrt{3}\,
i-\sqrt{2}\,\sqrt{3}\right)\,\mathrm{erf}\left({{\left(-1\right)^{{{
1}\over{4}}}}\over{\sqrt{3}}}\right)\right)}\over{16}}$$
=
/ ___ \
___ ____ | \/ 6 |
\/ 6 *\/ pi *C|--------|*Gamma(1/4)
| ____|
\3*\/ pi /
-----------------------------------
8*Gamma(5/4)
$$\frac{\sqrt{6} \sqrt{\pi} C\left(\frac{\sqrt{6}}{3 \sqrt{\pi}}\right) \Gamma\left(\frac{1}{4}\right)}{8 \Gamma\left(\frac{5}{4}\right)}$$