Thread: inverse cosine function?

  1. #1
    Registered User
    Join Date
    Mar 2005

    inverse cosine function?

    hey all, i searched the forum for this query but came up with nothing...

    what is the source code for: inverse cosine ?

    Is there any bugs in the function i need to be aware of? i.e. any values that must be positive...

    Thanks for any help in advance.


  2. #2
    Registered User hk_mp5kpdw's Avatar
    Join Date
    Jan 2002
    Northern Virginia/Washington DC Metropolitan Area
    Are you actually asking for the source code or do you just want to know the name of the function that calculates the arccosine?

    The acos function is the function used to determine the arc cosine of a value. It accepts a double argument that is in the range of -1 to +1 (inclusive). It returns a double value. To use it, you should include the <math.h> header.
    "Owners of dogs will have noticed that, if you provide them with food and water and shelter and affection, they will think you are god. Whereas owners of cats are compelled to realize that, if you provide them with food and water and shelter and affection, they draw the conclusion that they are gods."
    -Christopher Hitchens

  3. #3
    Registered User Micko's Avatar
    Join Date
    Nov 2003
    In case you want to erite your own function (maybe unlikely but...)
    I suggest you read this and just implement it in code!
    Gotta love the "please fix this for me, but I'm not going to tell you which functions we're allowed to use" posts.
    It's like teaching people to walk by first breaking their legs - muppet teachers! - Salem

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