TAN

Description

Returns the tangent of x, where x is the value in radians.

Syntax

TAN(<x>)

Parameters

Parameter	Description
<x>	The value for which the tangent is to be calculated

Return Value

Returns the tangent of x.

Special Cases

• When x is NaN, returns NaN
• When x is positive or negative infinity, returns NaN
• When x is NULL, returns NULL

Example

select tan(0),tan(1),tan(-1);

+------------------------+------------------------+-------------------------+
| tan(cast(0 as DOUBLE)) | tan(cast(1 as DOUBLE)) | tan(cast(-1 as DOUBLE)) |
+------------------------+------------------------+-------------------------+
|                      0 |     1.5574077246549023 |     -1.5574077246549023 |
+------------------------+------------------------+-------------------------+

select tan(cast('nan' as double));

+----------------------------+
| tan(cast('nan' AS DOUBLE)) |
+----------------------------+
| NaN                        |
+----------------------------+

select tan(cast('inf' as double));

+----------------------------+
| tan(cast('inf' AS DOUBLE)) |
+----------------------------+
| NaN                        |
+----------------------------+

select tan(cast('-inf' as double));

+-----------------------------+
| tan(cast('-inf' AS DOUBLE)) |
+-----------------------------+
| NaN                         |
+-----------------------------+