no that wont work, because you would be putting an angle on each cut, not on the whole surface of the pocket. you would just get a staggered surface, which is pretty much useless...
why dont you just make a simple template of the pocket out of some MDF or ply, one that fits your neck perfectly, line it up on your guitar and put two wedges at the back of your tempate, creating the desired angle, then route with a template bit and you will have an angled pocket that will hold your neck deadon.
well thats how I'm going to do it anyway. No gaps between the body that you'd need coverup with an overhanging fretboard.