In short you will need to replace the entire 3 tab shingle that was torn while protecting the integrity of shingles above and below the one being replaced.
How to repair a missing roof tile.
2 break the faulty tile and remove the pieces.
This video will walk through the process of repairing broken.
Gentle and carefully slide it out and replace with a new tile.
With roofing tiles it s common practise in large parts of the uk to fix every third row of tiles with clout nails starting at and including the bottom row every third row after that including the top row and they should be nailed with either galvanised steel aluminium or copper clout nails.
Broken tiles could be removed and replaced by the following simple steps.
Raise the damaged tile off the bottom using a hand trowel.
Lift the 2 tiles with wooden wedges.
Also pry or force out any nails.
Repairing broken roofing tile instead of replacing means that the pieces can be glued together.
3 spread a small amount of roofing cement along the underside of the replacement and slide it into place.