ARccOS (Advanced Regional Copy Control Operating Solution) is a copy-protection system made by Sony that is used on some DVDs. Designed as an additional...

Look up arccos in Wiktionary, the free dictionary. Arccos, ArcCos, ARCCOS, arccos, or ARccOS may refer to: arccos (trigonometry), the inverse trigonometric...

to name inverse trigonometric functions using an arc- prefix: arcsin(x), arccos(x), arctan(x), etc. (This convention is used throughout this article.) This...

argument because ARccOS and RipGuard may make copying take so long that copying is essentially not viable. RealNetworks then argued that ARccOS and RipGuard...

⁡ ( arccos ⁡ ( x ) ) = x {\displaystyle \sin(\arcsin(x))=x\qquad \cos(\arccos(x))=x} and arcsin ⁡ ( sin ⁡ ( θ ) ) = θ for − π 2 ≤ θ ≤ π 2 arccos ⁡ ( cos...

Pictures Home Entertainment. It was one of the first films to employ Sony's ARccOS Protection copy protection.[citation needed] The film was also available...

( arccos ⁡ x ) {\displaystyle \csc(\arccos x)} and sec ⁡ ( arccos ⁡ x ) {\displaystyle \sec(\arccos x)} are: csc ⁡ ( arccos ⁡ x ) = 1 sin ⁡ ( arccos ⁡...

arccos ⁡ ( 1 2 r ) + arccos ⁡ ( 1 − 1 2 r 2 ) − 1 2 r 4 − r 2 . {\displaystyle {\frac {1}{2}}\pi =r^{2}\arccos \left({\frac {1}{2}}r\right)+\arccos \left(1-{\frac...

angular distance = D θ := arccos ⁡ ( cosine similarity ) π = θ π {\displaystyle {\text{angular distance}}=D_{\theta }:={\frac {\arccos({\text{cosine similarity}})}{\pi...

2007. As of version 6.1.4.3, AnyDVD has a revised ripper that removes Sony ARccOS Protection, Macrovision RipGuard, and other structural preventions and repairs...