In this video I show you how to simplify trigonometric identities by adding fractions. I begin this lesson by reminding you ...

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

If you wonder when you are ever going to use maths, then the answer is that maths is everywhere. Calculating how many hours are left before going to bed, or calculating how long 5 per cent batter will ...