Solving Systems of Linear Equations
How to solve systems of linear equations using elimination and substitution.
Sine, Cosine, and Tangent
How to use the trigonometric functions sin, cos, and tan.
Arc Length
In this video you will learn how to solve for the arc length in a circle given an angle. We go over the different formulas and how they are derived.
Direct and Inverse Variation
In this video we go over direct and inverse variation and proportions. Then, we solve a few practice problems.
Radians and the Unit Circle
In this video you will learn what radians are and how to use them. Also, you will learn what the unit circle is and how it is used to evaluate trigonometric functions.
Secant, Cosecant, and Cotangent
How to use the trigonometric functions sec, csc, and cot.
Percentages
Everything you need to know about percentages.
How to use the formula D=RT
How to use the formula distance = rate * time.
Simplifying Complex Fractions
How to simplify complex fractions.