Circle of latitude can be calculated by a common sine or cosine function. The 60th parallel north or south is half as long as the Equator (disregarding Earth's minor flattening by 0.3%). A circle of latitude is perpendicular to all meridians. The latitude of the circle is approximately the angle between the Equator and the circle, with the angle's vertex at Earth's centre. The equator is at 0°, and the North Pole and South Pole are at 90° north and 90° south, respectively. The Equator is the longest circle of latitude and is the only circle of latitude which also is a great
1987 (What the Fuck Is Going On?) 1987 (What the Fuck Is Going On?) 1987 (What the Fuck Is Going On?) is the debut studio album by British electronic band The Justified Ancients of Mu Mu (the JAMs), later known as the KLF. "1987" was produced using extensive unauthorised samples that plagiarized a wide range of musical works, continuing a theme begun in the JAMs' debut single "All You Need Is Love". These samples provided a deliberately provocative backdrop for beatbox rhythms and cryptic, political raps. The album was released to mixed reviews, but was a commercial success. Shortly after independent release in June 1987, the JAMs