urgent recover please help

I need to get a table back from a hot backup, what is the process/steps to do this?? exports are corrupted so cannot recover from them!!
Please help as I have to do this immediately and don't have time to look into manuals etc.

Thanx a ton

http://technet.oracle.com/docs/produ...scen.htm#15123

http://technet.oracle.com/docs/produ...itr.htm#421341

I am using RMAN, how do you do it if you are backing up to tape using RMAN??

Thanx