- #1

samjohnny

- 84

- 1

## Homework Statement

I thought it would be better to attach it.

## Homework Equations

## The Attempt at a Solution

So for the first part I've found that A^2=the Identity matrix, but from there I don't have much of an idea on how to substitute that into the equation for M and end up with sinh and cosh in my expression. Please help