Jacobi sc

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The $\mathrm{sc}$ function is defined by $$\mathrm{sc}(u)=\dfrac{\mathrm{sn}(u)}{\mathrm{cn}(u)},$$ where $\mathrm{sn}$ is the Jacobi sn function and $\mathrm{cn}$ is the Jacobi cn function.

References

Special functions by Leon Hall

Jacobi Elliptic Functions