RE: [math-fun] the heck with it, simplification challenge

8 Jan 2006


      Hi,

Regarding the last Mma question:
...
Can some Mma wizard explain how to get Re[ArcSin[2]], e.g.,
(c61) realpart(asin(2))
                                     %pi
(d61)                                 ---
                                      2
It is as simple as

       ComplexExpand[Re[ArcSin[2]]] 

or equivalently

       Re[ArcSin[2]]//ComplexExpand


tested in Mma 5.0 .

Chris, not being a real wizard ;-)

Pacher Christoph

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