Sine is a trigonometric function. Sine may also refer to: Maurice Sinet or Siné (1928–2016), a French cartoonist Intira Charoenpura or Sine, a Thai actress Sine FM, a community radio station based in Doncaster, South Yorkshire Short interspersed nuclear elements (SINEs), a short DNA sequences in eukaryote genomes Sine bar Sine (album), a 2008 album by C418 Mathematics Abbe sine condition Discrete sine transform Sine wave, a mathematical function Sine and cosine transforms Sine quadrant Sine-Gordon equation Places Sinë, village in Albania Sine, Washington, a community in the United States Kingdom of Sine, a former kingdom in modern Senegal See also SINE (disambiguation) Port of Sines, a deep-water port in Portugal Sines Municipality, a city and municipality in Portugal Sinoatrial node Sine qua non Sign (disambiguation)