Arccos
Encyclopedia
Arccos may refer to:
- arccos (also written as cos−1) is an inverse trigonometric functionInverse trigonometric functionIn mathematics, the inverse trigonometric functions are the inverse functions of the trigonometric functions with suitably restricted domains .The notations sin−1, cos−1, etc...
of cosine - ARccOS ProtectionARccOS ProtectionARccOS is a copy-protection system made by Sony that is used on some DVDs. Designed as an additional layer to be used in conjunction with Content Scramble System , the system deliberately creates corrupted sectors on the DVD, which cause copying software to produce errors .Despite being promoted...
is a copyright protection mechanism by Sony