- `Y = csc (X)`

Compute the cosecant for each element of `X` in radians.

This is defined as

> > `%csc(z)=1/sin(z)%`

See also: `acsc`, `cscd`, `csch`.

### References

- https://www.mathworks.com/help/matlab/ref/csc.html
- https://octave.sourceforge.io/octave/function/csc.html
- https://mathworld.wolfram.com/Cosecant.html
- https://mathworld.wolfram.com/TrigonometricFunctions.html
- https://en.wikipedia.org/wiki/Trigonometric_functions