# Can this even function be simplified?

• October 20th 2010, 10:28 AM
katedew987
Can this even function be simplified?
f(x) = 1/2 ( (e^(x^3) + e^(-x^3) )

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

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