#### AUTHOR

### You may also like

A song to help math students memorize to fundamental definitions in calculus: the formal definition of a derivative and the formal definition of a derivative at a point!

Leave a tip for good service: https://paypal.me/jjthetutor Starting from a pillar, you run 200 m east (the +x-direction) at an average speed of 5.0 m/s, and then run 280 m west at an average speed of 4.0 m/s to a post. Calculate (a) your average speed from pillar to post and (b) your average velocity…

Visit http://ilectureonline.com for more math and science lectures! In this video I will introduce the half-angle formula tan(x/2)=?

These are probably the best puzzles to introduce your students to algebra… Enough of you supplying the algebra puzzles. It is your student’s time to create their own. These are fun to make! Here is the web site mentioned in the video: http://www.squaring.net/sq/sr/spsr/spsr_minmax.html If your students like history… see part 2: http://youtu.be/pkSglBkLqpY