Depreciating or deducting furniture when renting one room out?

I purchased a two bedroom home. I live in one of the rooms and rent out the other.

 

I purchased all the furniture in the common area, dining room table, couch, TV, etc., when I moved in. And these items are mentioned in the lease.

 

Am I able to deduct or depreciate 1/2 of the cost of those? If so, where would I do this? 

 

Thanks in advance!