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.
Same Old Lang Syne. Same Old Lang Syne is a song written and sung by Dan Fogelberg released as a single in 1980. It was also included on his 1981 album The Innocent Age. The song is an autobiographical narrative ballad told in the first person and tells the story of two long-ago romantic interests meeting by chance in a grocery store on Christmas Eve.