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Math Help - confusing notation

  1. #1
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    confusing notation

    g(x) = x^2arcsec^{-1}(\frac{1}{x})

    does arcsec^{-1}(\frac{1}{x}) = arccos(\frac{1}{x}) ?
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  2. #2
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    Re: confusing notation

    Quote Originally Posted by Barthayn View Post
    g(x) = x^2arcsec^{-1}(\frac{1}{x})

    does arcsec^{-1}(\frac{1}{x}) = arccos(\frac{1}{x}) ?
    the inverse of arcsec is sec ... inappropriate use of the inverse notation, imho.
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