- #1

leroyjenkens

- 610

- 48

## Homework Statement

How does [itex]\frac{e^{2iz}+2+e^{-2iz}}{4}=\frac{2}{4}[/itex]?

This is part of something more complex, but this should be enough information. I do not see how those exponentials cancel with each other to leave the [itex]\frac{2}{4}[/itex].

Thanks