Oh yeah. That's what I needed. Oh, that got me going Good. I don't normally bookmark these kinds of sites, but that page was worth it.
I’m so glad I’m done with school and never have to do trig or calculus ever again.
@BearDaniels, but if you evee have to again, check pornhub for help
I'm gonna go on pornhub just to read comments after I finish
This post hurts my brain. fvck math!
Or you could just not be a b*tch about it and just take the damn derivative. Some people like to do things the hard way.
Good ol pornhub