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For what x does cos(x) = x ?

  1. Sep 23, 2009 #1
    For what x does cos(x) = x ?
     
  2. jcsd
  3. Sep 23, 2009 #2

    LCKurtz

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    Re: Trigonometery

    You have to solve it numerically. The answer is approximately .7390851332 (radian measure).
     
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