ray traced shadows only make a sharp shadow if your lightangle is zero.. THIS is a raytraced shadow with a lightangle of 1.5 and only 1 shadow ray and it exactly looks like your bake....
They show up fine... as i said before you just have to tweak the filter size. filtersize 0 means there is onlt shadow or now shadow. The higher the szie the softer the shadow. (you want a hard shadow, therfore size 1 or 2 should be goodd. A higher map size also helps. The sampels in the baking options seem to be a bad…