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.
Day & Night (2010 film) Not to be confused with Knight and Day. Day & Night is a Pixar animated short film, directed by Teddy Newton and produced by Kevin Reher. It was packaged to be shown in theaters before Toy Story 3, and has been released to purchase on iTunes in the United States.