Can a 2008 Toyota Sequoia 5.7L tow a Salem 33' TT

Not really sure what your calculations are trying to show. However, some easy calculations indicate your TT tongue wieght is going to be over a 1,000# even lightly loaded. Your exceeding your wieght carrying capacity of the sequoia without even including the additional gear you will be carrying in the vehicle itself

That trailer is roughly 10,000# GVWR. Your into 3/4 ton truck country for that TT.