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Posted to dev@drill.apache.org by "Paul Rogers (JIRA)" <ji...@apache.org> on 2018/01/05 06:30:02 UTC

[jira] [Created] (DRILL-6073) Errors in trig function descriptions

Paul Rogers created DRILL-6073:
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             Summary: Errors in trig function descriptions
                 Key: DRILL-6073
                 URL: https://issues.apache.org/jira/browse/DRILL-6073
             Project: Apache Drill
          Issue Type: Bug
          Components: Documentation
            Reporter: Paul Rogers
            Assignee: Bridget Bevens
            Priority: Minor


The documentation contains a [Math and Trig |http://drill.apache.org/docs/math-and-trig/] page. Information about the trig functions are wrong.

{{asin\(x)}}, {{acos\(x)}}, {{atan\(x)}}: text: "Inverse sine/cosine/tangent of angle x in radians". But, of course, an inverse function produces radians as output, and takes the sin/cos/tan value as input. This, the value "x" is not an angle in radians, it is the sin/cos/tan value to be inverted.

{{SINH()}}, {{COSH()}}, {{TANH()}}: these each take an input, but the placeholder "x" is not shown, incorrectly suggesting that they take no argument.

List of functions: The list of non-trig functions earlier on the page is in the form of a table. For symmetry, the list of trig functions should also be a table, not a bulleted list.



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