Depends on the boat .... Yes, Daggerboards??? No Daggerboards ....
The H16 likes to have alot of mast rake ... No daggerboards
The TheMightyHobie18 likes only a little mast rake ... Yes, daggerboards
To mathmatically prove it, takes some very involved calculations to prove why involving both hydrodynamics and aeodynamics. But it involves where the "center of effort" is on the sail and where the "center of effort is on the hull and underwater foils ... and how they combine.
Harry