How to describe the unit circle. How to draw the unit circle and label its parts. How to strategize about finding coordinates on the unit circle.
Short, helpful video on ACT Geometry by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
How to tell if two variables vary directly.
How to prove that an angle inscribed in a semicircle is a right angle; how to solve for arcs and angles formed by a chord drawn to a point of tangency.
How to identify the graph of a stretched cosine curve.
How to solve and graph absolute value inequalities with x and y.
How to determine whether a function f(x) is continuous everywhere on its domain.
How to show that a function is discontinuous at a point x=a because it is not defined there.
How to quickly find the limit of a rational function as x goes to infinity.
The description of sex chromosomes.
How to evaluate a polynomial in function notation.
How to determine what form an equation is written in.
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.