How to identify the graph of a stretched cosine curve.
How to determine whether lines are parallel, perpendicular, or neither.
How to compute and simplify the difference quotient of a linear function.
How to calculate the measure of an inscribed angle.
How to define a secant; how to find the length of various secants in circles.
How to derive the formula to calculate the area of a sector in a circle.
How to determine if two triangles in a circle are similar and how to prove that three similar triangles exist in a right triangle with an altitude.
How to graph y = tan(q) for one or more periods.
How to talk about the rectangular coordinate system.
How to define the derivative of a function at a point x=a.