. "the inverse function of the cosine; the angle that has a cosine equal to a given number"@en-us . "0"^^ . "arccos"@en-us . . . . . . . . . . "113787853"^^ . "arccosine"@en-us . "arc cosine"^^ . . "0"^^ . "arc cosine"@en-us . "inverse cosine"@en-us . . "13787853-n"^^ .