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[src]
/ ___\
___ ____ |5*x*\/ 2 |
/ \/ 2 *\/ pi *C|---------|
| | ____ |
| / 2\ \ \/ pi /
| cos\25*x / dx = C + -------------------------
| 10
/
$$-{{\sqrt{\pi}\,\left(\left(\sqrt{2}\,i-\sqrt{2}\right)\,
\mathrm{erf}\left({{\left(5\,\sqrt{2}\,i+5\,\sqrt{2}\right)\,x
}\over{2}}\right)+\left(\sqrt{2}\,i+\sqrt{2}\right)\,\mathrm{erf}
\left({{\left(5\,\sqrt{2}\,i-5\,\sqrt{2}\right)\,x}\over{2}}\right)+
\left(-\sqrt{2}\,i-\sqrt{2}\right)\,\mathrm{erf}\left(5\,\sqrt{-i}\,
x\right)+\left(\sqrt{2}\,i-\sqrt{2}\right)\,\mathrm{erf}\left(5\,
\left(-1\right)^{{{1}\over{4}}}\,x\right)\right)}\over{80}}$$
/ ___\
___ ____ |5*\/ 2 |
\/ 2 *\/ pi *C|-------|*Gamma(1/4)
| ____|
\ \/ pi /
----------------------------------
40*Gamma(5/4)
$$-{{\sqrt{\pi}\,\left(\left(\sqrt{2}\,i-\sqrt{2}\right)\,
\mathrm{erf}\left({{5\,\sqrt{2}\,i+5\,\sqrt{2}}\over{2}}\right)+
\left(\sqrt{2}\,i+\sqrt{2}\right)\,\mathrm{erf}\left({{5\,\sqrt{2}\,
i-5\,\sqrt{2}}\over{2}}\right)+\left(-\sqrt{2}\,i-\sqrt{2}\right)\,
\mathrm{erf}\left(5\,\sqrt{-i}\right)+\left(\sqrt{2}\,i-\sqrt{2}
\right)\,\mathrm{erf}\left(5\,\left(-1\right)^{{{1}\over{4}}}\right)
\right)}\over{80}}$$
=
/ ___\
___ ____ |5*\/ 2 |
\/ 2 *\/ pi *C|-------|*Gamma(1/4)
| ____|
\ \/ pi /
----------------------------------
40*Gamma(5/4)
$$\frac{\sqrt{2} \sqrt{\pi} C\left(\frac{5 \sqrt{2}}{\sqrt{\pi}}\right) \Gamma\left(\frac{1}{4}\right)}{40 \Gamma\left(\frac{5}{4}\right)}$$