Brian McLogan
Learn how to solve equation using double angle formula
π Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Curated Video
Reactions of Acids and Metals: Predicting Products and Ionic Equations
This is a video discussing the reactions of acids and metals, and deriving the associated ionic equations. The video covers how different acids produce different salts when reacting with metals, and how to predict the resulting salt....
Curated Video
Understanding Mass Numbers, Atomic Numbers, Isotopes, and Counting Particles in Atoms
The video explains the concepts of mass numbers, atomic numbers, and isotopes in chemistry. It discusses the structure of an atom, the relationship between the number of protons and electrons in neutral atoms, and how elements are...
Brian McLogan
How to find the sum of interior angles for a heptagon
π Learn how to determine the sum of interior angles of a 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
Evaluating the difference of two angles for the tangent function
π Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
Brian McLogan
Learn how to determine the slope between two points using slope formula
π Learn how to find the slope between two points. The slope of a line is the steepness of the line. The horizontal line has a zero slope while the vertical line has an undefined slope. To determine the slope of a line passing through two...
KnowMo
Advanced Types of Sequences: Fibonacci, Quadratic and Geometric Progressions
In this video lecture, the instructor introduces advanced types of sequences, including balance sequences, quadratic sequences, and geometric progressions. The instructor explains how to identify these different types of sequences and...
Curated Video
Linear Simultaneous Equations: Solving with the Elimination Method
This video provides a lecture on solving linear simultaneous equations using the elimination method. The concept of simultaneous equations is first introduced, followed by a step-by-step explanation of how to use the elimination method...
Catalyst University
Particle-on-a-Ring Example #2: Calculate Energy, Wavelength, and Momentum
Particle-on-a-Ring Example #2: Calculate Energy, Wavelength, and Momentum
Virtually Passed
rectilinear motion example particle decelerating
Here we've been given an equation describing the acceleration of a particle. Using only two formulas we can solve this problem: a = dv/dt and v = dx/dt. The problem is solved by pushing through the mathematics and plugging in boundary...
Virtually Passed
Energy analysis of forced spring mass damper system
Here I derive expressions for the energy added per cycle due to both the harmonic excitation force and the damper. The work done by the spring per cycle = 0. An alternative way to approach this is to find the average power into the system.
Brian McLogan
How to use the Remainder Theorem with Polynomials
How to use the Remainder Theorem with Polynomials
Brian McLogan
Given the first value and d use the formula to find the first four terms of a sequence
π Learn how to determine the first five terms of an arithmetic sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. An arithmetic sequence is a...
Brian McLogan
How to find the resultant vector of the difference of two vectors
Learn how to add/subtract vectors. Vectors can be added, subtracted and multiplied. To add or subtract two or more vectors, we simply add each of the corresponding components of the vectors.
Brian McLogan
Evaluate the definite integral with e
π Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as indefinite integral or as a definite...
Brian McLogan
Solve a system of three variables
πLearn how to solve a system of three linear systems. A system of equations is a set of equations which are to be solved simultaneously. A linear equation is an equation whose graph is a straight line. The solution to a system of...
Curated Video
Finding Maximum Areas using Tables of Values
In this lesson, students will learn how to find the maximum area of a rectangular enclosure given a fixed length of fencing. By using tables of values and substituting expressions, they will be able to identify the dimensions that yield...
Tarver Academy
EQUATIONS WITH PROBLEM SOLVING - Algebra 2.5
In This Episode, Tyler Teaches Us About EQUATIONS WITH PROBLEM SOLVING - Algebra 2.5
Brian McLogan
Verifying a trigonometric identity with multiple steps
π Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify trigonometric expression means to verify that the term on the left-hand side of the equality sign is equal to the term on...
Brian McLogan
Finding the equation of a line using point slope form given a point and slope
π Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Let's Tute
Geometrical Meaning of Zeroes of a Polynomial
In this video, the teacher explains how to find zeros of a polynomial geometrically using graphs. They demonstrate how to plot points and draw graphs for linear, quadratic, and cubic polynomials, and how the number of cuts on the X axis...
KnowMo
Understanding Parallel Lines and Calculating Parallel Lines
This video is a lecture on parallel lines, covering the essential concepts for understanding them. The presenter explains that parallel lines are lines that run equidistant to each other and never intersect or cross over, and that all...
Brian McLogan
Simplifying an expression with fractional powers to take the derivative
π Learn how to find the derivative of a function using the power rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative...