Isn't this awesome? Now you can find an angle measure if you know 2 sides of a right triangle. Also, if you put together the last 2 weeks, if you know an angle and a side, or you know 2 sides of a right triangle, you can calculate all of the other angles/sides. Very useful!

How awesome is this?

A. Not awesome! (Hint: Do not choose this answer.)
B. Whoa! Extremely awesome!