ACOS or Acos may refer to: *

Arccosine In mathematics, the inverse trigonometric functions (occasionally also called arcus functions, antitrigonometric functions or cyclometric functions) are the inverse functions of the trigonometric functions (with suitably restricted Domain of a fu ...

, an inverse trigonometric function * The

Advanced Comprehensive Operating System Advanced Comprehensive Operating System (ACOS) is a family of mainframe computer operating systems developed by NEC for the Japanese market. It consists of three systems, based on the General Comprehensive Operating System family developed by Gene ...

mainframe computer operating system *

Acos District Acos District is one of seven districts of the Acomayo Province in Peru. Geography One of the highest peaks of the district is Maranniyuq at . Other mountains are listed below: * Hatun Urqu * Inti Qhawarina * Kunkayuq * Markan Urqu * Nina Ur ...

in Peru *

Acos Vinchos District Acos Vinchos District is one of fifteen districts of the province Huamanga in Peru. Ethnic groups The people in the district are mainly indigenous citizens of Quechua descent. Quechua is the language which the majority of the population (93.01%) ...

in Peru *

A Crown of Swords ''A Crown of Swords'' is a fantasy literature, fantasy novel by American author Robert Jordan, the seventh book of ''The Wheel of Time''. It was published by Tor Books and released on May 15, 1996. ''A Crown of Swords'' consists of a prologue an ...

novel

See also