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.
Report Abuse. What A Difference A Day Made dates from 1935 and many contemporary singers of that time recorded it. There's a lovely version by Harry Roy's Orchestra, sung by Ivor Moreton, see below. There's also a superb vocal rendition by Denny Dennis with Roy Fox and his Band.