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.
. One Day  is a song by Jewish reggae singer Matisyahu, first released in 2008, his first single since Jerusalem (Out of the Darkness Comes Light) .The song was also included as a last-minute addition to Matisyahu's album Light. One Day  is a song by Jewish reggae singer Matisyahu, first released in 2008, his first single since Jerusalem (Out of the Darkness Comes Light) .