Curated Video
Sequences
A sequence is a set of values that makes a pattern. The differences between the arithmetic sequence, geometric sequence and Fibonacci will be discussed.
Curated Video
R Programming for Statistics and Data Science - Variance, standard deviation, and coefficient of variability
This video explains variance, standard deviation, and coefficient of variability. This clip is from the chapter "Exploratory Data Analysis" of the series "R Programming for Statistics and Data Science".This section explains exploratory...
Tarver Academy
7-5 Using Proportional Relationships - GEOMETRY
In This Episode, Tyler Teaches Us About Using Proportional Relationships - Geometry
Virtually Passed
Statics Formula Sheet
Static Equilibrium: F = ma = 0 (for static objects that aren't accelerating M = I_G alpha = 0 (for static objects that don't have an angular acceleration). Notice that moments can also be written as a vector using M = r x F. Note that...
Why U
Algebra 68 - Converting Between General and Vertex Form
A quadratic function can be written in general form or in vertex form. But given a quadratic function in one of these forms, how can we convert to the other form? This lecture shows how conversion formulas between these two forms can be...
Virtually Passed
Second Moment of Area Summary
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. The larger the moment of inertia, the greater resistance to bending / rotation.
Cerebellum
Geometry, Perimeter and Area
This video covers exam strategy, Geometry, Perimeter, Area, Angles, Circles. This is part 14 from the series 'Introduction to the Math Section of the SAT'.
Curated Video
Determining Correct Units for Answers
In this video, students learn how to determine the units for their answers when using formulas. The teacher explains the importance of including units in calculations and highlights common mistakes. Through examples involving volume,...
Math Fortress
Algebra I: Translating Words Into Symbols (Level 1 of 2)
This video shows you how to translate mathematical phrases written in words and translating them into variable expressions. Common phrases involving addition, subtraction, multiplication, and division are covered. In addition, the video...
Virtually Passed
Dynamics Formula Sheet
In this video I cover some of the main formulas used for a standard dynamics course: 1) Plane motion 2) Projectile motion 3) Circular motion 4) Dry Friction (static and dynamic) 5) Relative motion (for non rotating relative axes) 6)...
Brian McLogan
Solving a trigonometric equation with half angle formulas
👉 Learn how to solve equations using half-angle identities. To do this we will replace every trig function with half angles using the identity. Then we will simplify and solve trigonometric functions. To find the values we will use the...
Brian McLogan
Learning to determine the number of sides of a regular polygon given one interior angle
👉 Learn how to determine the number of sides of a regular polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior angle of a polygon...
Brian McLogan
Finding the volume and surface area of a pyramid with a rectangular base
👉 Learn how to find the volume and the surface area of a pyramid. A pyramid is a 3-dimensional object having a polygon as its base and triangular surfaces converging at a single point called its apex. A pyramid derives its name from the...
Brian McLogan
How to find height and understand the formula for area of an oblique triangle
👉 Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....
Brian McLogan
Solving an equations using the sum and difference formulas of cosine
👉 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....
Catalyst University
Protein Purification Table Calculations: Formulas, No Numbers
Protein Purification Table Calculations: Formulas, No Numbers
Brian McLogan
Simplifying an expression using the difference of two angles with sine
👉 Learn how to write a given sum or difference of two angles formula expression as a single sum/difference of angles trigonometric function. To do this, we first identify the trigonometric function for which its sum/difference formula is...
Brian McLogan
Simplifying a trigonometric expression using half angle formula
👉 Learn how to write the trigonometric function given the expression. We will focus on the expression for the half-angle of sine, cosine and tangent. When given the expression we will need to determine which function's identity is equal...
Brian McLogan
Learning how to solve an equation using the sum and difference formulas for sine
👉 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....
Brian McLogan
Evaluate an angle using the double angle of cosine from a triangle
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Brian McLogan
Learn how to solve a trigonometric equation using sum and difference formulas
👉 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....
Brian McLogan
How to convert a polar point into rectangular coordinate
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...
Brian McLogan
What is the relative mininum or maximum of a quadratic
👉 Learn the essentials for graphing a quadratic equation. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either...
Curated Video
Understanding the Purpose of Explicit and Recursive Formulas in Sequences
By understanding when and how to use each formula, students will be able to efficiently find specific terms in a sequence without having to generate the entire sequence. This lesson emphasizes the importance of using the appropriate...