ReferenceSQL language referenceFunctionsBuilt-in functionsAlphabetical list of built-in functionstanh functionOn this pagetanh function Applies to: Databricks SQL Databricks Runtime Returns the hyperbolic tangent of expr. Syntax tanh(expr) Arguments expr: An expression that evaluates to a numeric expressing the hyperbolic angle. Returns A DOUBLE. Examples SQL> SELECT tanh(0); 0.0 Related functions tan function cosh function sinh function