#14637: Maxima should simplify acos(cos(x))
-------------------------+--------------------------------------------------
Reporter: kcrisman | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-5.10
Component: symbolics | Keywords:
Work issues: | Report Upstream: Fixed upstream, but not in a
stable release.
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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{{{
sage: assume(x > 0)
sage: assume(x < pi/2)
sage: F = asin(sin(x))
sage: F.simplify() # sends to Maxima, nothing else
x
sage: G = acos(cos(x))
sage: G.simplify()
arccos(cos(x))
}}}
This has been [http://sourceforge.net/p/maxima/bugs/2570/ reported
upstream] and resolved.
So we just need a patch to doctest this once we upgrade to whatever
upstream release will have this.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14637>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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