Hinweis.

(1)
Zweimalige partielle Integration.
(2)
Substitution $ \mbox{$u = \tan(x/2)$}$.
(3)
Schreibe $ \mbox{$\sin x = (e^{\mathrm{i}x} - e^{-\mathrm{i}x})/(2\mathrm{i})$}$ etc.
(4)
Substitution $ \mbox{$u = \sqrt[6]{x}$}$.
(5)
Substitution $ \mbox{$x = 2\sinh u$}$.