$$\begin{array}{llll}\hfill F\left(\phi ,k\right)& =sin\phi R_F\left({cos}^2\phi ,1-k^2{sin}^2\phi ,1\right)& \hfill & \\ \hfill E\left(\phi ,k\right)& =sin\phi R_F\left({cos}^2\phi ,1-k^2{sin}^2\phi ,1\right)-\frac{1}{3}{k}^2{sin}^3\phi R_D\left({cos}^2\phi ,1-k^2{sin}^2\phi ,1\right)& \hfill & \\ \hfill \Pi \left(n,\phi ,k\right)& =sin\phi R_F\left({cos}^2\phi ,1-k^2{sin}^2\phi ,1\right)+\frac{1}{3}n{sin}^3\phi R_J\left({cos}^2\phi ,1-k^2{sin}^2\phi ,1,1-n{sin}^2\phi \right)& \hfill & \end{array}$$