I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

Trigonometry Formulas: There are very few topics in mathematics that trouble students more than trigonometry and calculus. In fact, it is the base of many advanced math concepts and is also utilized ...

In this video I will show you how to solve a trigonometric equation using the double angle for cosine. When applying the ...