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.
For the song of the same title by Love, see Forever Changes. Old Man is a song written and performed by Neil Young on his 1972 album Harvest. Old Man was released as a single on Reprise Records in the spring of 1972, and reached # 31 on the Billboard Hot 100 singles chart for the week ending June 3. 1 Background.