Instructional Video1:48
Brian McLogan

Evaluate the limit of an absolute value function by direct substitution

12th - Higher Ed
👉 Learn how to evaluate the limit of an absolute value function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The absolute value...
Instructional Video2:48
Brian McLogan

Evaluate the limits of a graph with a jump discontinuity

12th - Higher Ed
👉 Learn how to evaluate the limit of a function from the graph of the function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. When...
Instructional Video2:03
Brian McLogan

Learn how to evaluate the limits of a graph with asymptotes

12th - Higher Ed
👉 Learn how to evaluate the limit of a function from the graph of the function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. When...
Instructional Video3:26
Brian McLogan

Given a point and co vertices, write the equation of an ellipse

12th - Higher Ed
Given a point and co vertices, write the equation of an ellipse
Instructional Video5:33
Brian McLogan

Learn how to sketch the graph of a hyperbola center at the origin

12th - Higher Ed
Learn how to sketch the graph of a hyperbola center at the origin
Instructional Video1:42
Brian McLogan

Evaluate the limit to infinity from a graph with jump discontinuity

12th - Higher Ed
👉 Learn how to evaluate the limit of a function from the graph of the function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. When...
Instructional Video1:33
Brian McLogan

Evaluate the left right and general limits from a graph

12th - Higher Ed
👉 Learn how to evaluate the limit of a function from the graph of the function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. When...
Instructional Video3:04
Brian McLogan

How to memorize the unit circle

12th - Higher Ed
👉 Learn about the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle intersects the x-...
Instructional Video1:38
Brian McLogan

Learn how to evaluate the left, right and general limit from a graph

12th - Higher Ed
👉 Learn how to evaluate the limit of a function from the graph of the function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. When...
Instructional Video2:35
Brian McLogan

Evaluate the limit of a graph with asymptotes

12th - Higher Ed
👉 Learn how to evaluate the limit of a function from the graph of the function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. When...
Instructional Video3:40
Brian McLogan

Evaluate the six trigonometric functions for the given real number

12th - Higher Ed
👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Instructional Video4:49
Brian McLogan

How to graph the secant graph

12th - Higher Ed
👉 Learn the basics of graphing the secant and the cosecant graphs. Recall that the secant is the reciprocal of the cosine while the cosecant is the reciprocal of the sine. Also recall that the cosine graph is a sinusoidal graph with...
Instructional Video2:11
Brian McLogan

Three steps to writing the equation of an ellipse

12th - Higher Ed
Three steps to writing the equation of an ellipse
Instructional Video1:44
Brian McLogan

How to understand odd functions and how we can determine a function

12th - Higher Ed
👉 Learn how to determine if a function is even or odd. A function is even if the graph of the function is symmetrical about the y-axis, or a function is even if f(x) = f(-x). A function is odd if the graph of the function is symmetrical...
Instructional Video3:19
Brian McLogan

Phase shifts of trigonometric functions

12th - Higher Ed
👉 Learn the basics of graphing trigonometric functions. The graphs of trigonometric functions are cyclical graphs which repeats itself for every period. To graph the parent graph of a trigonometric function, we first identify the...
Instructional Video2:01
Brian McLogan

Identify the transformations and graph the logarithmic function

12th - Higher Ed
👉 Learn all about graphing logarithmic functions. A logarithmic function is a function with logarithms in them. The graph of the parent function of a logarithmic function usually takes its domain from the positive x-axis. To graph a...
Instructional Video4:26
Brian McLogan

Evaluate the six trigonometric functions for the given real number

12th - Higher Ed
👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Instructional Video2:48
Brian McLogan

Graph, identify the transformations of exponential equation with e

12th - Higher Ed
👉 Learn how to graph exponential functions in base e. An exponential function is a function whose value increases rapidly. e is a constant called the exponential constant equal to 2.7183... To graph an exponential function, it is usually...
Instructional Video3:57
Brian McLogan

Graphing the Secant Graph with Change in Period

12th - Higher Ed
👉 Learn how to graph a secant function. To graph a secant function, we start with the cosine graph by first determining the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase...
Instructional Video1:28
Brian McLogan

What is the unit circle

12th - Higher Ed
👉 Learn about the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle intersects the x-...
Instructional Video8:12
Brian McLogan

How to graph a hyperbola with asymptotes and center at origin

12th - Higher Ed
How to graph a hyperbola with asymptotes and center at origin
Instructional Video5:00
Brian McLogan

Graph a hyperbola given the foci and length of transverse axis

12th - Higher Ed
Graph a hyperbola given the foci and length of transverse axis
Instructional Video0:44
Brian McLogan

Simplify the trig expression by using the co function identity

12th - Higher Ed
Simplify the trig expression by using the co function identity
Instructional Video4:04
Brian McLogan

What is the Domain Range and Vertical Asymptote of Cosecant

12th - Higher Ed
👉 Learn the basics of graphing the secant and the cosecant graphs. Recall that the secant is the reciprocal of the cosine while the cosecant is the reciprocal of the sine. Also recall that the cosine graph is a sinusoidal graph with...