[ww-bugs] Bug 3575: Incorrect answer is marked correct

[bugzilla-daemon at webwork.maa.org]

http://bugs.webwork.maa.org/show_bug.cgi?id=3575


John Jones <jj at asu.edu> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|                            |WORKSFORME




--- Comment #1 from John Jones <jj at asu.edu>  2016-02-13 19:06:25 ---
I think arctan(-1/x)=-arctan(1/x)=-(pi/2-arctan(x)) = arctan(x)-pi/2 when x>0. 
So, the answers differ by a constant, and the student answer is also correct
since it is an indefinite integral.

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