Correct way to set rear angle?

Not trying to be rude, but how do you expect to get a correct pinion angle without checking driveshaft angle? I must be missing something.

When I did mine on both cars, leaf springs on first and ladder bars on this one, I followed the procedures in the second area titled G. Driveshaft Angle that is included in what Treblig posted above, which came out of the MOPAR Chassis Book.