The Law of Sines and the Circumcircle

Given a triangle with its circumcircle. What is the relationship between the law of sines and the circumcircle?


Click here for a GSP 4.0 sketch to manipulate/investigate:

Click here for a hint (requires GSP 4.0):

Did you arrive at this conjecture?

Try proving the relationship on your own, then compare your proof with this one: