Why Am I Doing This? | Trig to DiffEQ Part 1 Foundations

In this video I explain why on earth a gym owner like me is trying to (re)learn all of undergraduate mathematics into the graduate level. My favorite calculator -- https://amzn.to/4jBhQZB Secrets of Mental Math -- https://amzn.to/47wPkRx Math tricks -- https://amzn.to/4eaRRod As an amazon affiliate I may receive commission from qualifying purchases