Trigonometry: Unit Circle
649K views · Jan 6, 2013 · Education
Comments · 337
@twicecookedporkins3235 · 12 years ago
You have been able to clarify in 45 minutes something that I've struggled with for about 15 years. Thanks.
88
@NewPlanetSchool · 13 years ago
Thank you, Kevin! Good luck in your math studies; math is truly amazing!
6
@JaredChJared · 12 years ago
That proof of how the points break the arc length into thirds is what I was searching for! You came so close to saying it then didn't!! Wonderful video nonetheless. There is some rare knowledge in it. Thank you.
9
@GoranKraljevicKoehlerAribeca · 11 years ago
It blew my mind. You're one of the best teachers I've ever seen.
10
@Jthib8 · 5 years ago
You single handedly saved my AP Pre Cal grade
1
@Yilma-Woreta-Yimam · 3 years ago
I’m a retired engineer. You explain it beautifully! Great!
1
@DanaNourie · 11 years ago
This video helped in heaps! More like these please . . .
4
@MouseGoat · 7 years ago
I have been looking for a explication like this for more than 16 years.<br>16 years! <br>so thanks! finally a answer to wtf Sin and cos is, that did not just leave me more confused.
2
@ulemundovi8804 · 7 years ago
Trigonomic Functions decoded.. Wow! Very impressed with the way you have taken out all the complexity from the functions, and reduced them into simple concepts that one is able to understand. You really turned our light Bulbs on!! That was powerfull!! Thanks a million for the video !!!
2
@elainegrace9518 · 12 years ago
THIS IS SO DETAILED :) I LOVE IT.
2
@nguyenchauquach4948 · 6 years ago
Love it! It is really very clear explanations and easy to understand. Thank you so much for your teaching!
1
@SirusDas · 8 years ago
Superb! Thanks a lot! I always used to wonder this in my school but none could explain it!
1
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