csc function
Applies to: 
Databricks SQL Databricks Runtime 10.4 LTS and above
Returns the cosecant of expr.
Syntax
csc(expr)
Arguments
expr: An expression that evaluates to a numeric expressing the angle in radians.
Returns
A DOUBLE.
csc(expr) is equivalent to 1 / sin(expr)
Examples
SQL
> SELECT csc(pi() / 2);
1.0
> SELECT csc(0);
Infinity