Email: Sluck@Free-Academy.com

Sean Luck, Founder
Free-Academy Media LLC
Sluck@Free-Academy.com
Headquarters Located in:
Randolph, WI
OMG WHOEVER INVENTED THIS IS FREAKIN AMAAZING!!! best idea i've seen in a while!
-at7667a
thank you so much! i kept getting stuck in the part when you can separate the cos and sin with the denominator h (i didn't think about that). :D
- danielapimentel43
you are the best man, it took my 3 years to understand that on my on, here i understud in 3 minuts :P thanx :P
-kingfker
Great, just what I needed, a simple quick explanation. THANK YOU!
- comp1337n00b
Godd tutorial! Altough english is not my native language you explain it very clearly and structured. Many thanks!
- Fangornmmc
thank u so much! i was having trouble with the denominators in the numerator and getting rid of h, and this video totally straightened me out! :)
- AFBMovies
I've been looking for this, thanks! you should make more videos and help alot more people : ]
-underzikefu
thank you u are so awsome
-eba23
wow...this is lovely - man u add a new dimension to my view of derivatives!!! thanx a ton!
- laughingjal
I like the way you present the topic. It is a lot easier to grasp with the animations and the simple example. Simple and effective! :)
-jkwesiga
Thank you! I have been looking for this everywhere! Everyone is showing examples and all I wanted was a list of what is the derivative of what. THANKS!
-BowlingForChickens