Rhoads played in Ozzy's band four decades ago and received the Musical Excellence Award at this year's event.
The 36th annual induction ceremony will air November 20 on HBO and HBO Max.
The 2021 inductee exhibit honoring this year's class opens on October 24.
Cooper was inducted into the Rock Hall in 2011.
The late guitarist will receive the Musical Excellence Award at this year's induction ceremony.
Rock And Roll Hall Of Fame president and CEO Greg Harris gave his take on what to expect during this year's ceremony.
The Go-Go's, Todd Rundgren and Tina Turner will join them.
Tina Turner led the fan vote with more than 585,000 ballots.
More than four million votes have already been cast since voting began.
In a new interview , the legendary drummer was asked if he thinks he should have been inducted into the Rock Hall.