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
The Edge of the Earth EP", which was released in September 2013. The second track, "Against the Voices", has been a "long-time fan favorite," as the song was first played by the band live in 2010. However, it hadn't made the cut for Switchfoot's two previous full-length albums, "Vice Verses" (2011) and "Fading West" (2014). According to the band, the song "What It Costs" marked the first song recording for which bassist Tim Foreman provided lead vocals, replacing his brother Jon Foreman. The Edge of the Earth The Edge of the Earth is an extended play by American rock band Switchfoot, released digitally on September