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.
Old Man by Neil Young Songfacts. 1  Young wrote this about the caretaker of the ranch he bought in 1970. The song compares a young man's life to an old man's and shows that the old man was once like this young man. 2  James Taylor is credited with playing guitar-banjo on this song.