Category: Trigonometry

Basic Trig – Sine and Inverse Sine

If you have never had a trig class, you can do some pretty useful things with just a few trig functions.  Bob Welds discusses the sine of an angle and how to use it. ...

What is Pi?

Engineers use pi all the time for their calculations, but what the heck is pi anyway?  Bob and Sparky break it down for us in this video. Here is the video transcript: Let’s talk...