cot x can be rewritten as cos x / sin x so, sin x + cos x. cosx / sin x sin x + (cos x)^2 / sin x Then if you multiply by sin x... sin x. sin x + sinx. (cos x)^2 / sin x which becomes (sin x)^2 + (cos x)^2 I'll leave the honors to you.
Old Man River. NOTE Old Man River was a standard part of Robeson's repertoire and appears on many of his albums. It also became William Warfield's signature song. Show Boat's 1927 premiere announced the advent of a new kind of musical. For the first time, characters developed and matured.
This article is about the song. For other uses, see Moon River (disambiguation) .  Moon River  is a song composed by Henry Mancini with lyrics written by Johnny Mercer. It received an Academy Award for Best Original Song for its first performance by Audrey Hepburn in the 1961 movie Breakfast at Tiffany's.