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Thread: Can this even function be simplified?

  1. October 20th 2010, 10:28 AM #1
    katedew987
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    Can this even function be simplified?

    f(x) = 1/2 ( (e^(x^3) + e^(-x^3) )

    Thankyou
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  2. October 20th 2010, 10:33 AM #2
    Ackbeet
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    Well, if you convert to the hyperbolic trigonometric functions, you'd have

    \displaystyle f(x)=\frac{1}{2}(e^{x^{3}}+e^{-x^{3}})=\cosh(x^{3}).
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