//Mr. Stein is teaching Precalc and there is a sinusoidal on the board and the class is writing equations for it
Stein: The easiest way to write it is with -cos x.
Student: I used sin x.
Stein: Why? That's just way more work. I mean, imagine how much of your brain you're using to do it that way. You could be thinking about other things with all that thinking...like you could be thinking about...boys. Or pickles. [...] Y'know, I really like pickles. There's this deli that I go to, they just have so many pickles. Everytime I go there I just get lots of 'em...