[Maxima-bugs] [ maxima-Bugs-769905 ] asksign(sin(x)<2) doesn't know

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Bugs item #769905, was opened at 2003-07-11 15:59
Message generated for change (Settings changed) made by robert_dodier
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>Category: Lisp Core - Assume
Group: None
Status: Open
Resolution: None
Priority: 4
Submitted By: Stavros Macrakis (macrakis)
Assigned to: Nobody/Anonymous (nobody)
>Summary: asksign(sin(x)<2) doesn't know

Initial Comment:
is/asksign don't know the ranges of the common trig 
functions:

  is ( sin(x)&lt;2 ) =&gt; unknown
  is ( atan(x) &lt; %pi) =&gt; unknown

etc.

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