Instructional Video4:55
Brian McLogan

Evaluate the six trigonometric functions given a point

12th - Higher Ed
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Instructional Video7:08
Let's Tute

Coordinate Geometry: Section Formula and Midpoint Formula

9th - Higher Ed
In this video, the teacher explains the section formula in coordinate geometry and how it can be used to find the coordinates of a point that divides a line segment in a given ratio. The teacher also introduces the midpoint formula,...
Instructional Video3:29
Brian McLogan

What do I need to know to graph an equation in standard form

12th - Higher Ed
👉 Learn about graphing linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. i.e. linear equations has no exponents on their variables. The graph of a linear equation is a straight line. To...
Instructional Video4:45
Brian McLogan

Tutorial for how to evaluate for the composition of two trigonometric functions

12th - Higher Ed
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Instructional Video8:11
Brian McLogan

How to find the vertex and axis of symmetry then graph using a table of values

12th - Higher Ed
👉 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 Video7:03
Brian McLogan

Given any point find your six trig functions

12th - Higher Ed
👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Instructional Video5:41
Brian McLogan

Graphing a quadratic function in standard form

12th - Higher Ed
👉 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 Video1:49
Brian McLogan

Evaluating the composition of Functions

12th - Higher Ed
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Instructional Video4:39
Brian McLogan

How to rotate a line 270 degrees

12th - Higher Ed
👉 Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also...
Instructional Video6:01
Brian McLogan

Using the parts of a quadratic to graph

12th - Higher Ed
👉 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 Video12:34
Curated Video

Using Log Graphs to Estimate Parameters in Exponential Functions

Higher Ed
This is a lecture presentation on how to use log graphs to estimate parameters in exponential functions. The presentation explains how to plot log graphs of exponential functions and how to determine the power and constant terms from the...
Instructional Video6:44
Curated Video

Graphing Sinusoidal Functions: Observing the Unit Circle and Plotting Points

K - 5th
In this video, students will learn how to graph sinusoidal functions by plotting points and observing the terminal ray of the unit circle. They will understand the patterns and periodicity of the sine and cosine functions, and how to...
Instructional Video4:29
Curated Video

Approximating the Intersection of Two Lines

K - 5th
In this video, the teacher explains how to determine if a point is a solution to multiple equations and how to approximate the X coordinate of the intersection of two lines by observing their graphs. The teacher emphasizes the importance...
Instructional Video5:01
Brian McLogan

Given an angle and constraint find the six trig functions of the angle

12th - Higher Ed
👉 Learn how to evaluate the six trigonometric functions given some constraints. When given the value of one trigonometric function, we can use a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the...
Instructional Video6:07
Brian McLogan

Graphing a quadratic function in standard form

12th - Higher Ed
👉 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 Video9:25
Brian McLogan

Pre-Calculus - Using the sum formula for cosine to evaluate an angle cos(75)

12th - Higher Ed
👉 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 Video5:29
Brian McLogan

Rotating a parallelogram 270 degrees counterclockwise

12th - Higher Ed
👉 Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also...
Instructional Video2:31
Brian McLogan

How to apply a reflection over the x axis ex 1

12th - Higher Ed
👉 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 Video3:33
Brian McLogan

Determining positive slope from a graph positive

12th - Higher Ed
👉 Learn how to find the rate of change from graph. The rate of change is the rate at which y-values are changing with respect to the change in x-values. To determine the rate of change from a graph, a right triangle is drawn on the graph...
Instructional Video3:06
Brian McLogan

Evaluate for Cosine Inverse Using the Unit Circle

12th - Higher Ed
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Instructional Video3:47
Brian McLogan

Learning how to solve an equation using the sum and difference formulas for sine

12th - Higher Ed
👉 Learn how to solve equations using the angles sum and difference identities. Using the angles sum and difference identities, we are able to expand the trigonometric expressions, thereby obtaining the values of the non-variable terms....
Instructional Video4:46
Brian McLogan

Solve a trigonometric function with sine on both sides

12th - Higher Ed
👉 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 Video3:15
Brian McLogan

Learn how to write the equation of the tangent line to a quadratic

12th - Higher Ed
👉 Learn how to find and write the equation of the tangent line of a curve at a given point. The tangent of a curve at a point is a line that touches the circumference of the curve at that point. To find the equation of the tangent line...
Instructional Video3:29
Brian McLogan

Reflecting a triangle over the y axis

12th - Higher Ed
👉 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...