[jira] [Commented] (SPARK-28134) Trigonometric Functions

["Tony Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-28134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16870700#comment-16870700 ] 

Tony Zhang commented on SPARK-28134:
------------------------------------

Hi [~yumwang], I can see these trigonometric functions are defined and implemented in mathExpressions.scala, and they work in queries already. Or did you mean these functions are not supported in certain use cases?

> Trigonometric Functions
> -----------------------
>
>                 Key: SPARK-28134
>                 URL: https://issues.apache.org/jira/browse/SPARK-28134
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Yuming Wang
>            Priority: Major
>
> ||Function (radians)||Function (degrees)||Description||
> |{{acos(_x_}})|{{acosd(_x_}})|inverse cosine|
> |{{asin(_x_}})|{{asind(_x_}})|inverse sine|
> |{{atan(_x_}})|{{atand(_x_}})|inverse tangent|
> |{{atan2(_y_}}, _{{x}}_)|{{atan2d(_y_}}, _{{x}}_)|inverse tangent of {{_y_}}/_{{x}}_|
> |{{cos(_x_}})|{{cosd(_x_}})|cosine|
> |{{cot(_x_}})|{{cotd(_x_}})|cotangent|
> |{{sin(_x_}})|{{sind(_x_}})|sine|
> |{{tan(_x_}})|{{tand(_x_}})|tangent|
>  
> [https://www.postgresql.org/docs/12/functions-math.html#FUNCTIONS-MATH-TRIG-TABLE]
>  
>  



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