tan

Computes tangent of the input column. Supports Spark Connect.

For the corresponding Databricks SQL function, see tan function.

Syntax

from pyspark.sql import functions as dbf

dbf.tan(col=<col>)

Parameters

Parameter	Type	Description
col	pyspark.sql.Column or column name	angle in radians

Returns

pyspark.sql.Column: tangent of the given value, as if computed by java.lang.Math.tan()

Examples

from pyspark.sql import functions as dbf
spark.sql(
    "SELECT * FROM VALUES (0.0), (PI() / 4), (PI() / 6) AS TAB(value)"
).select("*", dbf.tan("value")).show()

+------------------+------------------+
|             value|        TAN(value)|
+------------------+------------------+
|               0.0|               0.0|
|0.7853981633974...|0.9999999999999...|
|0.5235987755982...|0.5773502691896...|
+------------------+------------------+

from pyspark.sql import functions as dbf
spark.sql(
    "SELECT * FROM VALUES (FLOAT('NAN')), (NULL) AS TAB(value)"
).select("*", dbf.tan("value")).show()

+-----+----------+
|value|TAN(value)|
+-----+----------+
|  NaN|       NaN|
| NULL|      NULL|
+-----+----------+