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.
State Song; State Song Old Folks at Home Stephen C. Foster wrote The Swanee River (Old Folks at Home) in 1851. After Foster wrote the song, he sold it to E. P. Christy, a businessman who operated a series of minstrel shows. Foster is reported to have chosen the term Swanee because its two-syllable cadence fit nicely into the music he had composed. The composer was not familiar with the Florida section of the Suwannee River, because he never visited the state.