Ralf Hemmecke wrote:
> 
> >>                   2
> >>    2asin(cos(y - x  - 3)) - %pi
> >>    ----------------------------
> >>                  2
> 
> > I have tried to keep examples in .ht files and algebra in sync
> > but I missed this case (and possibly several others).  In this
> > case adding 'normalize' fixes the example so I plan to do that.
> 
> Well, what do you say about arcsin being multivalued? Or is this in this
> case eaten by the semantics of "normalize"?

Yes, 'normalize' is supposed to choose some branch.

-- 
                              Waldek Hebisch
[email protected] 

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