Question

how do I simplify: square root of (2 + e^(2t) + e^(-2t))

Answer 1

\[\large \sqrt{2 + e^{2t} + e^{-2t}}?\]

Answer 2

yes

Answer 3

I show that it went from that to: the squareroot of (e^t + e^-t)^2, but not sure what the steps are from the first item to this item.