My tactics for bows are weird. xD
It involves using the bombardier and trap master armor skills with sneak added in there as well as a lot of barrel bombs and sleep-coating.
It will take a long time to explain but the long-story-short is that you make the monster fall asleep, drop a pit trap, drop your most powerful bombs, then blow the bombs up with a well placed small bomb or shooting them directly, then run away.
When it explodes, it makes all the other giant bombs explode, the monster wakes up, and is immedietly caught in the pit trap.
You can either run up to the monster and drop more bombs or drop a trap away from the monster to get ready for when it charges at you.
Then you just continue to shoot at it with sleep-coating and continue dropping bombs till you run out of traps, bombs, and sleep-coating.
At which point you just play an Archer like normal, dodge attacks, switch to poison or power coating, and then use high-charged pierce attacks to damage the monster.
You want to make sure that your bombs are placed near weakpoints for maximum damage, and usually if you can get all of your high-powered bombs to explode on-target, you'll bring the monster down to like 40% HP remaining.
I've even had times when the monster had gone into a 'weakened' state and ran away from me limping from my final set of bombs, so it depends on how much HP the monster has.
This pretty much works for all the monsters except maybe Jhen Mohran.