# Question #d73e5

##### 1 Answer

Feb 3, 2018

#### Answer:

See explanation.

#### Explanation:

Well, let's see what we can do starting from the left-hand-side.

I see I can transform the

Now, we see we're getting closer since we already have the

Let's now transform

We recall the identity

This becomes

Simplifying, we have:

and cancelling out the

Q.E.D.