[Axiom-developer] [#102 solve(sinh(z)=cosh(z), z) ]

[kratt6]

Changes http://page.axiom-developer.org/zope/mathaction/102SolveSinhZCoshZZ/diff
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It *should* work, given that the compiler does not stumble over some bug. 
However, I don't think it is the right direction to take anyway: 

- The bugs mentioned here won't go away, since you would have to provide the 
third argument, and
- I think that 'reduce' is easier to understand for the casual reader.

Concerning the optimization: in an ideal world, reduce would be optimized away. 
We are not in an ideal world, and we will never be, but we should strive to 
make it better...
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