https://help.scilab.org/docs/5.3.0/fr_FR/acscd.html
acscd - Computes the element-wise inverse cosecant of the argument, results in degree.
the elementinverse cosecant
https://help.altair.com/compose/help/en_us/topics/reference/oml_language/Trigonometry/acscd.htm
acscd
Returns the inverse cosecant (in degrees) for each element of the argument.