\select@language {ngerman} \contentsline {subsection}{\numberline {1}Das Integral $ \intop \nolimits _a^b \mathop {\mathgroup \symoperators sin}\nolimits (x)\mathrm {d}x $}{6}{subsection.0.1} \contentsline {subsubsection}{\numberline {1.1}$\sqrt {x_1^2+x_2^2}$}{6}{subsubsection.0.1.1}