This lesson builds on the introductory lesson by looking at how to use SOHCAHTOA to find sides, angles and in 2D problems such as isosceles triangles. The lesson looks in detail at how to set up and ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Many people remember struggling with trigonometry in school and often wondering where they would ever use it in real life. For most, the formulas stayed limited to textbooks and exams, with little ...