In this video I work through 129 examples of evaluating trigonometric expressions. We will evaluate the sine, cosine, and ...

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

The Math Readiness Test covers the topics of algebra, analytic geometry, trigonometry, exponentials, logarithms, and more. We recommend working through the exercises in these resources: Another option ...

Revise the different types of angles and rules for calculating angles. This guide includes interactive activities and a quiz. NEW: Angles in parallel lines Revise alternate, correspondent or ...

The three sides of a right-angled triangle have special names. The hypotenuse (\(h\)) is the longest side. It is opposite the right angle. The opposite side (\(o\)) is opposite the angle in question ( ...