deletions | additions       diff --git a/section_Integrals_subsection_Multivariate_delta__.tex b/section_Integrals_subsection_Multivariate_delta__.tex  index 6f72520..f34afaa 100644  --- a/section_Integrals_subsection_Multivariate_delta__.tex  +++ b/section_Integrals_subsection_Multivariate_delta__.tex 
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\subsection{When is it a hyperbolic trig function?}  \subsection{Elliptic integrals}  \subsubsection{Computing \subsubsection{Example: computing  an orbital period}