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

Evaluate the composition of trigonometric functions by creating a right triangle. In this video we will evaluate the tangent ...

You’re standing at the edge of a cliff, phone in hand, trying to measure the distance to the opposite side – no tape measure, no drone, just your brain. Now what? Trigonometry just became your ...