Board Thread:Theories and Speculation/@comment-3001903-20160803001752/@comment-25449165-20161002031751

Madara could have used it if he wanted to but he would die again. The only reason why he had forced Obito to do it was because as a Reanimation, Madara was not "properly alive", and being "properly alive" was a requirement into becoming the 10-Tails Jinchuriki. The reason why Minato was able to be a Jinchuriki of 1/2 of 9-Tails was for two reasons. 1) Minato was alive when he sealed 1/2 of 9-Tails in himself before he was taken by the Shinigami. 2)You don't have to be alive to be any of the 1-9 Tails Jinchuriki.

In any case, Madara could have used Rinne Tensei, but it would prevent him from ever becoming the 10-Tails Jinchuriki. So he forced Obito (with the help of Black Zetsu) to perform the Jutsu and properly bring Madara back to life, thus allowing him to harness the powers of the 10-Tails.