I'll wait

You have won

Sin x, Cos x, Tan x

sqrt(a^2+b^2)=c
I have yet to see a reason to use the normal form.

E=mc^2. But if a^2 + b^2 = c^2, then a^2 + b^2 = E/m

Islanders, Rangers, Devils
(they're all in the new york area)

YES!

I take it back, my good sir. I grew up on Big Nate. You, sir, have won.

Behold...

TWO more iconic trios.

Love Rush! How'd I forget them in my comment?

Aint even close to as iconic

Ah yes, the Powerpuff Girls. I first remembered that trio as a kid.