this is a poorly worded question. no offense.
are the cowboys going to have a better record? hard to say
are the cowboys players going to be better, i think most will make the team better.
are the cowboys going to be better and overcome Garrett and Linehan? i dont know to be honest. Those two coaches are going to be the lynchpins to success.
do i think the new coaches will contribute to the Cowboys being better? yes i do, will that be enough no.
do i think the Cowboys will have a better offseason than last year? i think it will be even keel, good moves with bad moves.
do i think the cowboys will be better in the long run? no, i think later than sooner Garrett will have to be replaced and thats going to set things back a while.
do i think the cowboys will be better? results, short term yes, long term no.