Hello, DemonX01!

Your work is correct.

However, you should not work with both sides of the identity.

I did find a way to change one side into the other . . .

I started with the right side . . .Verify: .

. . . . .

. . . . .

Multiply by

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

**

The denomniator comes from the identity:

. .