Hello, Mike!

Use DeMoivre's theorem to write in the form

We don't really need DeMoivre's Theorem for this one, but here goes . . .

We have: .

. . . . . .

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

We could have squared it without DeMoivre's Theorem.

. . Then: .