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From: SourceForge.net <noreply@so...>  20070731 10:47:11

Bugs item #1764306, was opened at 20070731 03:47 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1764306&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Lisp Core  Trigonometry Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Nobody/Anonymous (nobody) Assigned to: Nobody/Anonymous (nobody) Summary: Inverse Trigonometry (partial answer) Initial Comment: atan(tan(4)) gives an answer 4 (not 4  %pi) atan(tan(10)) gives an answer 10 (not 10  3*%pi) atan(tan(23)) gives an answer 23 (not 23  7*%pi)  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1764306&group_id=4933 
From: SourceForge.net <noreply@so...>  20070910 15:40:38

Bugs item #1764306, was opened at 20070731 06:47 Message generated for change (Comment added) made by rtoy You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1764306&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Lisp Core  Trigonometry Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Nobody/Anonymous (nobody) Assigned to: Nobody/Anonymous (nobody) Summary: Inverse Trigonometry (partial answer) Initial Comment: atan(tan(4)) gives an answer 4 (not 4  %pi) atan(tan(10)) gives an answer 10 (not 10  3*%pi) atan(tan(23)) gives an answer 23 (not 23  7*%pi)  >Comment By: Raymond Toy (rtoy) Date: 20070910 11:40 Message: Logged In: YES user_id=28849 Originator: NO See the variable triginverses, which defaults to all. Maxima is doing what it's documented to do. However, I think that with integer args, maxima should do as you suggest, except I'm not sure how it should interact with triginverses.  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1764306&group_id=4933 
From: SourceForge.net <noreply@so...>  20091129 01:40:13

Bugs item #1764306, was opened at 20070731 12:47 Message generated for change (Settings changed) made by crategus You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1764306&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Lisp Core  Trigonometry Group: None >Status: Closed >Resolution: Works For Me Priority: 5 Private: No Submitted By: Nobody/Anonymous (nobody) Assigned to: Nobody/Anonymous (nobody) Summary: Inverse Trigonometry (partial answer) Initial Comment: atan(tan(4)) gives an answer 4 (not 4  %pi) atan(tan(10)) gives an answer 10 (not 10  3*%pi) atan(tan(23)) gives an answer 23 (not 23  7*%pi)  >Comment By: Dieter Kaiser (crategus) Date: 20091129 02:40 Message: This has changed. With Maxima 5.19post we get: (%i4) atan(tan(4)); (%o4) 4  %pi (%i5) atan(tan(10)); (%o5) 10  3 %pi (%i6) atan(tan(23)); (%o6) 23  7 %pi Closing this bug report as "works for me". Dieter Kaiser  Comment By: Raymond Toy (rtoy) Date: 20070910 17:40 Message: Logged In: YES user_id=28849 Originator: NO See the variable triginverses, which defaults to all. Maxima is doing what it's documented to do. However, I think that with integer args, maxima should do as you suggest, except I'm not sure how it should interact with triginverses.  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1764306&group_id=4933 