Friday, August 29, 2014

Why sin^2 x + cos^2 x = 1

Why does sin^2 x + cos^2 x = 1?  Find out in this video. 
 
 
- Eddie
 
 
 
 
at
Labels: , , ,

HHC 2025 Videos

  HHC 2025 Videos The talks from the HHC 2025 conference in Orlando, Florida are starting to be up on hpcalc’s YouTube page within th...