try using : sh(3x) = 0.5 * (e^(3x) - e^(-3x))
sh(x) = 0.5 * (e^(x) - e^(-x))
sh(3x)/sh(x) = (e^(3x) - e^(-3x))/(e^(x) - e^(-x))
and then use the fact that :
a^3 -b^3 = (a-b)(aČ + ab + bČ)
and it will be paradise not hell
Hey, I'm having a hell of a time trying to figure out this simplification; If anyone has any input, it would be greatly appreciated!
I've tried breaking the side down by turning it into and using the identity, but everything i do just seems to complicate the whole deal by expanding it to huge proportions that doesn't chop down any.Show that:
Any ideas on a hot identity to try? I'm not sure how else to approach this.