TAN

A function that calculates the tangent. expr is expected in radians (not degrees).

Syntax

TAN(expr)

Argument

expr: A real number representing radians or an argument of another data type that can be implicitly converted to a numeric data type.

Return Value

The return value has the same data type as expr.

Example

SELECT tan(NULL), tan(0), tan(1), tan(acos(-1));

+-------------+-------------+-------------+-----------------+
|   TAN(NULL) |    TAN(0)   |    TAN(1)   |  TAN(ACOS(-1))  |
|-------------+-------------+-------------+-----------------+
|        NULL |           0 |       ~1.56 |               0 |
+-------------+-------------+-------------+-----------------+