Started Finasteride 3 months ago (photo)

Started fin in January. If you zoom in, are those miniaturized hairs new? Are those hairs that will be growing in or are they hairs dying off

Too early to tell. Wait a full year and then you will know. With the balding you have, I would doubt significant growth from finasteride, except possibly in the middle of the balding area where I see existing pores present suggesting that the hair loss in this area was more recent. A hair transplant may be the only real solution for you. See some of our patients here: https://newhair.com/before-and-after/hair-transplants-men/#results