In this video, the teacher explains how to find the exact value of the sine of 120 degrees without using a calculator. They introduce the concept of reference angles and how they can be used to determine the trigonometric ratios for...

In this video, the teacher explains how to graph points on a coordinate plane in different quadrants. They review the x and y axes, the origin, and the concept of ordered pairs. The teacher demonstrates how to plot points in each...

In this video lesson, students learn how to find the length of sides using ordered pairs and use that information to calculate the perimeter and area of a shape. The teacher explains the relationship between the X and Y axes, and guides...

👉 Learn the basics to understanding graphing quadratics. 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...

Students are taken on an exciting animated trip to the outer reaches of our solar system. Images from NASA and the Hubble space Telescope illustrate the Giant Red Spot on Jupiter, Saturns' beautiful rings, the tilted rings of Uranus, and...

The second moment of area (or moment of inertia of area) about the x or y axis can be found using the integral of y^2 dA and x^2 dA respectively. <b<br/>r/>

The larger the moment of inertia, the greater resistance to bending / rotation.

In this video, you will learn how to measure angles in standard position by placing them correctly in the coordinate plane. You will also understand the concept of negative angle measures and coterminal angles.

In this video series I show you how to evaluate the six trigonometric functions when given a point. We do this by creating a right triangle and finding the hypotenuse by using the Pythagorean theorem. #trigonometry...

This video goes over the dot product also known as the scalar product. This video covers direction angles and direction cosines. 3 examples are also covered illustrating how to solve problems involving direction angles and direction...

👉 Learn how to graph linear inequalities written in slope-intercept form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also...

Given certain parameters, how would you solve this problem?<br/>
Scalers and Vectors, Part 4

A formal proof of the parallel axis theorem. It's really useful for finding moments of inertia of composite objects and also objects which aren't rotating around the center of mass.

What is the closest to the end of a 93 g uniform meterstick you can place a 200.0 g object and have the system stay balanced? The meterstick is supported at the 20.0 cm and 80.0 cm marks.

In this video, the teacher explains how to graph a line using its X and Y intercepts. They provide examples and demonstrate the correct way to plot the intercepts on the coordinate plane. The video concludes by applying the concept to...

👉 Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...

👉 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...

The equation for #AngularMomentum of #RigidObjects with shape is introduced and a simple example of angular momentum is solved for.

👉 Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips. I believe everyone can learn math...

In this video, the teacher explains how to write the equation of a polynomial by analyzing its x-intercepts. They demonstrate the process using different graphs and explain the importance of factored form and the multiplication property...

This video is a lecture on how to measure the distance traveled by an object using its velocity-time graph. The concept of the area under the velocity-time graph representing distance is explained, and examples are provided to...

The video provides a clear explanation of the sine, cosine, and tangent functions and their corresponding graphs. It starts by introducing the unit circle and how it relates to the functions. Then, it explains the formulas for each of...

In this lesson, mathematicians learn how to model rational functions by graphing. By using the example of sharing the cost of parking in a van, the concept of a rational function is explained. The graph shows how the amount of money each...

This lesson builds on what we learned about position as a function of time graphs. We start with velocity as a function of time graphs, determine what the motion would look like and then draw position and acceleration as a function of...