Cot x is 1/tan x or cos x / sin x or +- sqrt cosec^2 x -1.
Original Cast Recording. Arista, 1973. Includes original hit song Day by Day sung by Robin Lamont. Sung by the original cast members David Haskell, Peggy Gordon, Robin Lamont, Gilmer McCormick, Sonia Manzano, Jeffrey Mylett, Stephen Nathan, Herbie Braha, Joanne Jonas, and Lamar Alford.
For the song by Jethro Tull, see Sunshine Day. It's a Sunshine Day is a 1973 song from the popular television sitcom The Brady Bunch. It's a Sunshine Day first appeared on the January 26, 1973 episode of The Brady Bunch, entitled Amateur Night, and performed by The Brady Bunch Kids (composed of the children of the fictional Brady family). The song was written by Steve McCarthy and featured in the episode's opening act.