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I'm programming a game and need a character to turn facing another character. I got far but the problem is the language(Turing) Iam provided with doesn't support a cos/sin inverse function but has sin/cos.

Anyone know the formula? I have cos(x) how can I get x? Searching on google is not help all I get is what cos (x) = to relative to sin/tan.

Thanks in advance!

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# Homework Help: Cos inverse help

**Physics Forums | Science Articles, Homework Help, Discussion**