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https://issues.apache.org/jira/browse/DERBY-2320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12568173#action_12568173
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Kim Haase commented on DERBY-2320:
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Good technical change. But this gives us a chance to correct some preexisting
problems with the sentence (grammar, terminology) . I would suggest changing
You should not expect that the DEGREES(ACOS(0.5)) to exactly equal 60.0.
to
You should not expect DEGREES(ACOS(0.5)) to return exactly 60.0.
> Example in DEGREES function is not appropriate.
> ------------------------------------------------
>
> Key: DERBY-2320
> URL: https://issues.apache.org/jira/browse/DERBY-2320
> Project: Derby
> Issue Type: Bug
> Components: Documentation
> Environment:
> http://db.apache.org/derby/docs/dev/ref/rreffuncdegrees.html
> Reporter: Tomohito Nakayama
> Assignee: Abhishek Bhaskaran
> Priority: Minor
> Attachments: DERBY-2320.diff, rreffuncdegrees.dita,
> rreffuncdegrees.html
>
>
> In the description of DEGREES function in Derby Reference Manual, next
> description exists.
> > Attention: The conversion from radians to degrees is not exact. You should
> > not expect that the COS(RADIANS(90.0)) to exactly equal 0.0.
> Because the page is for DEGREES function , example here should be DEGREES(
> ACOS( 0 ) ) and 90.0 .
>
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