Trailer Backup Camera & Tow Mirrors

After forty years and four motorhomes we have recently purchased a 2018 29 foot KZ Connect travel trailer and a 2017 Ford F-150 XLT truck to tow it. The trailer is pre-wired for a backup camera (Furion) but I have not purchased one as yet. I am also considering a set of tow mirrors to attach to the existing side view truck mirrors. The Ford F-150 is equipped with the Trailer Backup Assist and trailer tow package. I have not set up the trailer backup assist feature as yet but plan to do this soon. The question is do I need the trailer backup camera, and the additional mirrors along with the trailer backup assist in the truck?