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From: SourceForge.net <noreply@so...>  20030324 17:21:31

Bugs item #708917, was opened at 20030324 12:34 You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=708917&group_id=4933 Category: None Group: None Status: Open Resolution: None Priority: 5 Submitted By: Stavros Macrakis (macrakis) Assigned to: Nobody/Anonymous (nobody) Summary: trigreduce(sin(x)^2/cos(x)^2) Initial Comment: trigreduce(sin(x)^2/cos(x)^2) => tan(x)^2 Shouldn't it return (1cos(2*x))/(1+cos(2*x))? For that matter, it would be nice if trigreduce(tan(x)^2) also did this, but the documentation of trigreduce explicitly says that it handles only sin's and cos's (unlike trigexpand, which handles trigs in general). On the other hand, Trigrat already does this.  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=708917&group_id=4933 
From: SourceForge.net <noreply@so...>  20060704 17:56:45

Bugs item #708917, was opened at 20030324 10:34 Message generated for change (Settings changed) made by robert_dodier You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=708917&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 Group: None Status: Open Resolution: None Priority: 5 Submitted By: Stavros Macrakis (macrakis) Assigned to: Nobody/Anonymous (nobody) Summary: trigreduce(sin(x)^2/cos(x)^2) Initial Comment: trigreduce(sin(x)^2/cos(x)^2) => tan(x)^2 Shouldn't it return (1cos(2*x))/(1+cos(2*x))? For that matter, it would be nice if trigreduce(tan(x)^2) also did this, but the documentation of trigreduce explicitly says that it handles only sin's and cos's (unlike trigexpand, which handles trigs in general). On the other hand, Trigrat already does this.  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=708917&group_id=4933 
From: SourceForge.net <noreply@so...>  20060827 00:18:55

Bugs item #708917, was opened at 20030324 10:34 Message generated for change (Settings changed) made by robert_dodier You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=708917&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 Submitted By: Stavros Macrakis (macrakis) Assigned to: Nobody/Anonymous (nobody) Summary: trigreduce(sin(x)^2/cos(x)^2) Initial Comment: trigreduce(sin(x)^2/cos(x)^2) => tan(x)^2 Shouldn't it return (1cos(2*x))/(1+cos(2*x))? For that matter, it would be nice if trigreduce(tan(x)^2) also did this, but the documentation of trigreduce explicitly says that it handles only sin's and cos's (unlike trigexpand, which handles trigs in general). On the other hand, Trigrat already does this.  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=708917&group_id=4933 