Incomplete Elliptic E
From specialfunctionswiki
The incomplete elliptic integral of the second kind is $$E(\phi|k)=E(\phi|m)=\displaystyle\int_0^{\phi} \sqrt{1-m\sin^2 \theta}d\theta.$$
The incomplete elliptic integral of the second kind is $$E(\phi|k)=E(\phi|m)=\displaystyle\int_0^{\phi} \sqrt{1-m\sin^2 \theta}d\theta.$$
