yanghua commented on a change in pull request #6764: [FLINK-10418] [Table API &
SQL] Add COTH math function supported in Table API and SQL
URL: https://github.com/apache/flink/pull/6764#discussion_r220784635
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File path: docs/dev/table/functions.md
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@@ -1230,6 +1230,17 @@ COT(numeric)
</td>
</tr>
+ <tr>
+ <td>
+ {% highlight text %}
+COTH(numeric)
+{% endhighlight %}
+ </td>
+ <td>
+ <p>Returns the hyperbolic cotangent of a <i>numeric</i>.</p>
Review comment:
please add some information about returned types, refer to @pnowojski 's
review suggestion in #6700
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