Thursday, September 25, 2014

Video: sin 2x = 2 sin x cos x

Why sin 2x = 2 sin x cos x:



Eddie

This blog is property of Edward Shore. 2014 

No comments:

Post a Comment

Next Week... and Plans for October 2017

I'm so excited, can't want for next week's HHC 2017 calculator conference in Nashville!  It is my annual calculator conference ...