Simple harmonic motion, why e^x solves differential equations, triangles | Math VOD 2024-08-29

The VOD of my livestream on August 29, 2024.

Gaming Channel: @DonDoesMathAndGaming

00:00 Physics Box in Elevator
05:57 Why is e^x the solution for differential equations?
09:00 "Thickness" of a function
15:06 Isosceles triangle length in terms of theta
26:01 Simple harmonic motion relation between v and x
45:59 Rank of a matrix
47:56 More simple harmonic motion and angular velocity
01:01:45 Right triangle word problem
01:07:59 Even more simple harmonic motion
01:20:11 Physics Box in Elevator
01:25:31 Find if vectors are parallel, orthogonal, neither
01:41:46 Crazy summation mod problem
01:55:18 Rushed commute time word problem
02:05:04 Physics Box in Elevator
02:15:12 Crazy summation mod problem
02:45:32 E&M Studying
02:55:34 Set Function Intersection Problem
03:40:17 Combinatorics Identity Proof Attempt
04:06:08 Ratio Problem
04:10:00 Greatest integer less than or equal to crazy trig thing