sin77Sin 77 Degrees The sin of 77 degrees is 0.97437, the same as sin of 77 degrees in radians. To obtain 77 degrees in radian multiply 77° by π 180° = 77180 πSin Sin 77 Live at The Casbah 04242004. Sin Sin 77 • Album. 10 videosLast updated on Feb 13, 2025.