Conformal Mapping: How Do I Map the Region Above the x-axis?

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atomicpedals
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What I'm trying to do is to apply conformal mapping and map the area bounded by the x-axis and a line at 60 degrees to the x-axis to the region above the x-axis. I think the basic goal of what I'm trying to do is to map [tex]\pi[/tex]/3 to [tex]\pi[/tex]. My problem is I really have no idea where to go from there other than to say I need an expression for w along the lines of w= x2 - ( [tex]\pi[/tex]/3 )2 + 2i x ([tex]\pi[/tex]/3 ) .

Am I on the right track? What would my next step be?
 
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Ok, so sorting through the cloud of my mind the boundary conditions for this case are:

[tex]\phi[/tex] (0,y) = V1
[tex]\phi[/tex] ( [tex]\pi[/tex]/3 , x) = V2
 
I think you should start in polar coordinates ...
 
So am I mapping from my wedge in polar coordinates (being the area bounded by the x-axis and [tex]\pi[/tex] /3 ) to the line in Cartesian coordinates? And then mapping once more to get from the line to two lines?
 
Ok, just forget my remark, I haven't done conformal transformations in a while. Sorry!