I'm assuming you mean,

edit- Mulligen, I think i violated some rules here...1 momento

I'm not entirely sure off the bat where to go with this. But let us try some manipulation.

Noting that

Going with

Sub this into our original equation to get

Now we sub in

To get

And since I had no idea where to begin, I have run out of manipulations that I can think of. Hopefully this will prompt some of your own!