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

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

The sides of right-angled triangles are labelled opposite, hypotenuse and adjacent. Trigonometry explores the relationship between sides and angles in right-angled triangles. The hypotenuse is the ...