zhengruifeng opened a new pull request, #48678: URL: https://github.com/apache/spark/pull/48678
### What changes were proposed in this pull request? Refine docstring for trigonometric functions ### Why are the changes needed? 1, make example copy-pasteable; 2, clarify str is a column name or literal string; 3, show both the input columns and output columns, to make the projection more clear; 4, improve the test coverage by adding more doctests; ### Does this PR introduce _any_ user-facing change? doc changes ### How was this patch tested? added doctests ### Was this patch authored or co-authored using generative AI tooling? no -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
