Definition of "arccos" [arccos]

• Abbreviation of arccosine. (noun)

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• ""arccos"; opchTbl [5]. code = 6; opchTbl [5]. grade ="
• "And, he apparently is well educated, as he knows the number pi and trigonometrical functions like sin, cos, tan, arcsin, arccos, arctan and the functions sqrt and exp."
• "In this mode, with this method, you could read all dvd movies with all kinds of protections including with sony arccos protection."