pyspark.sql.functions.cos

pyspark.sql.functions.cos(col: ColumnOrName) → pyspark.sql.column.Column

Computes cosine of the input column.

New in version 1.4.0.

Changed in version 3.4.0: Supports Spark Connect.

Parameters

colColumn or str

angle in radians

Returns

Column

cosine of the angle, as if computed by java.lang.Math.cos().

Examples

>>> import math
>>> df = spark.range(1)
>>> df.select(cos(lit(math.pi))).first()
Row(COS(3.14159...)=-1.0)

pyspark.sql.functions.conv pyspark.sql.functions.cosh