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Simplifying a lot, this is the same concept:GEO's altitude is 35786 km. This launch is going to a so called "super-synchronous transfer orbit", in which the apogee is above the GEO altitude. Remember that the higher you go, the less delta-v you need for making plane changes, such that in some cases the delta-v saved for lowering the inclination to 0 is higher than the delta-v needed to lower the apogee to GEO altitude. It make sense if either the launcher cannot go to a lower inclination orbit or that it allows faster drifting to the planned GEO slot. :tiphat:
[ame="http://en.wikipedia.org/wiki/Lever"]Lever - Wikipedia, the free encyclopedia[/ame]
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