https://www.excelfunctions.net/excel-csch-function.html
Excel CSCH Function
The Excel CSCH Function - Calculates the Hyperbolic Cosecant of an Angle - Function Description with Examples
excelcschfunction
https://help.scilab.org/docs/5.5.0/en_US/m2sci_csch.html
csch (Matlab function) - Hyperbolic cosecant
cschmatlabfunctionhyperboliccosecant
https://catalog.kennesaw.edu/preview_course_nopop.php?catoid=79&coid=127513
CSCH 4030: Immersion Experience -
cschimmersionexperience
https://sheets.wiki/docs/CSCH
CSCH
csch