Ответ (Неопределённый)
[src]
/ / ___\ / ___\ \
___ ____ | / 2\ |x*\/ 2 | |x*\/ 2 | / 2\|
/ \/ 2 *\/ pi *|cos\y /*S|-------| + C|-------|*sin\y /|
| | | ____| | ____| |
| / 2 2\ \ \ \/ pi / \ \/ pi / /
| sin\x + y / dx = C + ------------------------------------------------------
| 2
/
$$-{{\sqrt{\pi}\,\left(\left(\left(\sqrt{2}\,i-\sqrt{2}\right)\,
\mathrm{erf}\left({{\left(\sqrt{2}\,i+\sqrt{2}\right)\,x}\over{2}}
\right)+\left(\sqrt{2}\,i+\sqrt{2}\right)\,\mathrm{erf}\left({{
\left(\sqrt{2}\,i-\sqrt{2}\right)\,x}\over{2}}\right)+\left(-\sqrt{2
}\,i-\sqrt{2}\right)\,\mathrm{erf}\left(\sqrt{-i}\,x\right)+\left(
\sqrt{2}\,i-\sqrt{2}\right)\,\mathrm{erf}\left(\left(-1\right)^{{{1
}\over{4}}}\,x\right)\right)\,\sin y^2+\left(\left(-\sqrt{2}\,i-
\sqrt{2}\right)\,\mathrm{erf}\left({{\left(\sqrt{2}\,i+\sqrt{2}
\right)\,x}\over{2}}\right)+\left(\sqrt{2}-\sqrt{2}\,i\right)\,
\mathrm{erf}\left({{\left(\sqrt{2}\,i-\sqrt{2}\right)\,x}\over{2}}
\right)+\left(\sqrt{2}\,i-\sqrt{2}\right)\,\mathrm{erf}\left(\sqrt{-
i}\,x\right)+\left(-\sqrt{2}\,i-\sqrt{2}\right)\,\mathrm{erf}\left(
\left(-1\right)^{{{1}\over{4}}}\,x\right)\right)\,\cos y^2\right)
}\over{16}}$$
/ / ___ \ / ___ \ \
___ ____ | / 2\ |\/ 2 | |\/ 2 | / 2\|
\/ 2 *\/ pi *|cos\y /*S|------| + C|------|*sin\y /|
| | ____| | ____| |
\ \\/ pi / \\/ pi / /
----------------------------------------------------
2
$$-{{\sqrt{\pi}\,\left(\left(\left(\sqrt{2}\,i-\sqrt{2}\right)\,
\mathrm{erf}\left({{\sqrt{2}\,i+\sqrt{2}}\over{2}}\right)+\left(
\sqrt{2}\,i+\sqrt{2}\right)\,\mathrm{erf}\left({{\sqrt{2}\,i-\sqrt{2
}}\over{2}}\right)+\left(-\sqrt{2}\,i-\sqrt{2}\right)\,\mathrm{erf}
\left(\sqrt{-i}\right)+\left(\sqrt{2}\,i-\sqrt{2}\right)\,
\mathrm{erf}\left(\left(-1\right)^{{{1}\over{4}}}\right)\right)\,
\sin y^2+\left(\left(-\sqrt{2}\,i-\sqrt{2}\right)\,\mathrm{erf}
\left({{\sqrt{2}\,i+\sqrt{2}}\over{2}}\right)+\left(\sqrt{2}-\sqrt{2
}\,i\right)\,\mathrm{erf}\left({{\sqrt{2}\,i-\sqrt{2}}\over{2}}
\right)+\left(\sqrt{2}\,i-\sqrt{2}\right)\,\mathrm{erf}\left(\sqrt{-
i}\right)+\left(-\sqrt{2}\,i-\sqrt{2}\right)\,\mathrm{erf}\left(
\left(-1\right)^{{{1}\over{4}}}\right)\right)\,\cos y^2\right)
}\over{16}}$$
=
/ / ___ \ / ___ \ \
___ ____ | / 2\ |\/ 2 | |\/ 2 | / 2\|
\/ 2 *\/ pi *|cos\y /*S|------| + C|------|*sin\y /|
| | ____| | ____| |
\ \\/ pi / \\/ pi / /
----------------------------------------------------
2
$$\frac{\sqrt{2} \sqrt{\pi} \left(\sin{\left(y^{2} \right)} C\left(\frac{\sqrt{2}}{\sqrt{\pi}}\right) + \cos{\left(y^{2} \right)} S\left(\frac{\sqrt{2}}{\sqrt{\pi}}\right)\right)}{2}$$