...It's it bad that I recognize and know how to use nearly all of those equations?
Nah. The only one I recognize is a²+b², and how it's equal to A²+2xAxB+B², but the sinus, cosinus and tangents? Nay, forgotten, and l'm sure I never understood them to begin with.
...It's it bad that I recognize and know how to use nearly all of those equations?
The hardest concept here is derivative and integral on the right, which is the start of calculus. Everything else you learn in high school algebra and geometry. If anything, this is showing how much of a muscle head Raiden is.