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Math Help - Question about derivatives of arcsec and arccsc

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    Question about derivatives of arcsec and arccsc

    So the "formulas" for them are:



    Could someone explain to me the absolute value notation in the denominator? Thanks!
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    Quote Originally Posted by ty2391 View Post
    So the "formulas" for them are:



    Could someone explain to me the absolute value notation in the denominator? Thanks!
    If x is positive the |x| = x. If x is negative then |x| = -x.

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