Jacobi ns
From specialfunctionswiki
The $\mathrm{ns}$ function is defined by $$\mathrm{ns}(u)=\dfrac{1}{\mathrm{sn}(u)},$$ where $\mathrm{sn}$ denotes the Jacobi sn function.
The $\mathrm{ns}$ function is defined by $$\mathrm{ns}(u)=\dfrac{1}{\mathrm{sn}(u)},$$ where $\mathrm{sn}$ denotes the Jacobi sn function.
