Instructional Video9:50
Brian McLogan

How to determine if points are a rhombus, square or rectangle

12th - Higher Ed
πŸ‘‰ Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of...
Instructional Video4:38
Brian McLogan

What are the points on a unit circle by 45 degrees

12th - Higher Ed
πŸ‘‰ Learn about the points on 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...
Instructional Video4:16
Curated Video

Understanding the Domain of Trigonometric Functions: Examining Denominators of Trig Ratios

K - 5th
In this video, students will learn about the domain of the six trigonometric functions by examining the denominators of the trig ratios. They will understand the reciprocal pairs of the trig functions and how they can be rewritten in...
Instructional Video6:33
Professor Dave Explains

Carbenes Part 1: Properties and Formation

9th - Higher Ed
We've learned about a variety of different unstable carbon species, like carbocations, carbanions, and carbon radicals. But there is one more to know, carbenes. These are carbon atoms with two bonds and two nonbonding electrons. They...
Instructional Video3:59
Brian McLogan

Solving a linear system of two equations by graphing

12th - Higher Ed
πŸ‘‰To solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...
Instructional Video3:48
Brian McLogan

Graph a parabola using conic sections with a horizontal axis of symmetry

12th - Higher Ed
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Instructional Video5:29
Brian McLogan

Pre-Calculus - How to solve using the addition formula of two angles for cosine cos(160)

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Instructional Video3:37
Brian McLogan

Writing a vector in component form given a magnitude and direction

12th - Higher Ed
In this video series you will learn multiple math operations. I teach in front of a live classroom showing my students how to solve math problems step by step. My math tutorials should be used to review previous lessons, complete your...
Instructional Video2:39
Brian McLogan

Converting a point from polar to rectangular

12th - Higher Ed
Learn how to convert points between rectangular and polar. Rectangular points measure the horizontal and vertical distance away from the origin whereas polar coordinates measure the direct distance and angle in standard position from the...
Instructional Video5:00
Brian McLogan

Graphing a system of inequalities when one inequality is a vertical boundary line

12th - Higher Ed
πŸ‘‰ Learn how to graph a system of inequalities. A system of inequalities is a set of inequalities which are collectively satisfied by a certain range of values for the variables. To graph a system of inequalities, each inequality making...
Instructional Video5:35
Brian McLogan

Graphing a quadratic function in standard form

12th - Higher Ed
πŸ‘‰ Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Instructional Video2:22
Brian McLogan

Graphing a horizontal linear equation from a table

12th - Higher Ed
πŸ‘‰ Learn how to graph linear equations from the table of points. When given the table of points of a linear equation, we plot the x and y coordinates of the given table on the cartesian plane and join the ploted points to form a straight...
Instructional Video7:42
Curated Video

Enlargements in Graph Transformations

Higher Ed
The video is a lecture presentation on the topic of transformations of graphs, with a focus on enlargements. The presenter explains the concept of multiplying a function by a constant or the X variable, which results in a stretch or...
Instructional Video9:14
Brian McLogan

How to evaluate the difference of two angles for tangent, tan

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Instructional Video6:14
Brian McLogan

Finding the solutions to a trigonometric equation

12th - Higher Ed
πŸ‘‰ Learn how to solve trigonometric equations by factoring out the GCF. When solving trigonometric equations involving the multiples of the same trigonometric function. It is very useful to collect similar trigonometric functions together...
Instructional Video1:19
Brian McLogan

How to reflect a point over the y axis

12th - Higher Ed
πŸ‘‰ Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by the x or y-axis. Either way when reflecting a point and or figure over the line of...
Instructional Video7:21
Brian McLogan

The best explanation of domain and range with multiple examples

12th - Higher Ed
πŸ‘‰ Learn about every thing you need to know to understand the domain and range of functions. We will look at functions represented as equations, tables, mapping, and ordered pairs. The domain is the set of all possible x or input values...
Instructional Video5:05
Brian McLogan

Learn to represent relations by mapping ordered pairs, table and graphing

12th - Higher Ed
πŸ‘‰ Learn about every thing you need to know to understand the domain and range of functions. We will look at functions represented as equations, tables, mapping, and ordered pairs. The domain is the set of all possible x or input values...
Instructional Video3:18
Brian McLogan

Graph a linear equation in slope intercept form

12th - Higher Ed
πŸ‘‰ Learn how to graph linear equations written in slope intercept form. When given a linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is the slope and c is the y-intercept). We first plot the y-intercept and...
Instructional Video2:44
Brian McLogan

Graphing a horizontal linear equation using a table of values, y = 5

12th - Higher Ed
πŸ‘‰ Learn how to graph linear equations with one variable. When given a linear equation with one variable in the form x = a or y = c, the two forms of linear equations results in a vertical and horizontal lines respectively. The graph of...
Instructional Video9:42
Brian McLogan

Determine points on a unit circle using special triangles

12th - Higher Ed
πŸ‘‰ Learn about the points on 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...
Instructional Video11:30
Brian McLogan

How to evaluate the inverse of trigonometric functions with unit circle

12th - Higher Ed
πŸ‘‰ Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...
Instructional Video3:05
Brian McLogan

Determining the sine of the sum of two angles

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the sine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Instructional Video4:01
Curated Video

Solving Equations in Two Variables: Tables and Graphs

K - 5th
In this video, the teacher explains how to solve equations in two variables by making a table and graphing the solutions. They use examples of linear equations and quadratic equations to demonstrate the process.