Thursday, September 25, 2014

Video: sin 2x = 2 sin x cos x

Why sin 2x = 2 sin x cos x:


This blog is property of Edward Shore. 2014 

No comments:

Post a Comment

Eclipse and HHC 2017

Eclipse On August 21, 2017 there will be a solar eclipse.  Totality (where the moon completely covers the sun) will occur in the northern...