Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/20618#discussion_r171834617
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -1500,31 +1534,35 @@ object functions {
}
/**
- * Computes the cosine of the given value. Units in radians.
+ * @param e angle in radians
+ * @return cosine of the angle, as if computed by [[java.lang.Math#cos]]
--- End diff --
Seems this link is broken in Scaladoc. Let's just use ``
`java.lang.Math.cos` `` in this file.
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