kfp wrote:
> 
> BTW OpenAxiom gives a correct answer.

Well, old version of FriCAS did:

(3) -> asin(sin(x))

   (3)  x
                                                    Type: Expression(Integer)

But this simplification is undesirable outside of 'normalize'
and is no longer applied by default.




-- 
                              Waldek Hebisch
[email protected] 

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