Complex number fundamentals | Ep. 3 Lockdown live math
![](https://i.ytimg.com/vi/ZxYOEwM6Wbk/mqdefault.jpg)
51:16
What is Euler's formula actually saying? | Ep. 4 Lockdown live math
![](https://i.ytimg.com/vi/yBw67Fb31Cs/mqdefault.jpg)
1:13:17
Trigonometry fundamentals | Ep. 2 Lockdown live math
![](https://i.ytimg.com/vi/QvuQH4_05LI/mqdefault.jpg)
1:08:20
Tips to be a better problem solver [Last live lecture] | Ep. 10 Lockdown live math
![](https://i.ytimg.com/vi/elQVZLLiod4/mqdefault.jpg)
53:50
The power tower puzzle | Ep. 8 Lockdown live math
![](https://i.ytimg.com/vi/d4EgbgTm0Bg/mqdefault.jpg)
31:51
Visualizing quaternions (4d numbers) with stereographic projection
![](https://i.ytimg.com/vi/4PDoT7jtxmw/mqdefault.jpg)
1:14:54
What makes the natural log "natural"? | Ep. 7 Lockdown live math
![](https://i.ytimg.com/vi/pfIGMWxjFTQ/mqdefault.jpg)
13:55
Imaginary numbers aren't imaginary
![](https://i.ytimg.com/vi/7kAQrz_b244/mqdefault.jpg)
10:04