Brian McLogan
Comparing the graphs of the six trigonometric functions
π Learn the basics of graphing trigonometric functions. The graphs of trigonometric functions are cyclical graphs which repeats itself for every period. To graph the parent graph of a trigonometric function, we first identify the...
Brian McLogan
Using the square root method to solve a quadratic equation
πLearn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
ATHS Engineering
Electricity: Kirchhoff's Laws
This video explains the difference between series and parallel circuits in modern electronics, and introduces Kirchhoff's Laws to help understand the calculations involved. It also discusses how circuits can be combined and the...
Brian McLogan
How to use proportions and direct variation to solve for x
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
How to multiply and divide rational expressions
Learn how to multiply/divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to multiply two fractions, we multiply the numerators...
Brian McLogan
Use even and odd functions to evaluate trigonometric functions
π Learn how to simplify basic trigonometric identities. To simplify basic trigonometric identities, it is usually more useful to convert all trigonometric functions to sine and cosine functions and then simplify. We will also explore the...
Brian McLogan
Solving a proportion with a binomial
π Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Curated Video
Solving Equations Using Multiplication or Division
In this video lesson we will review the parts of an equation including the coefficient, variable expression and numerical expression. We will also learn that multiplication and division are inverse operations that undo each other. We...
Curated Video
Understanding the Invert and Multiply Procedure: Dividing by a Fraction
In this lesson, students will learn about the invert and multiply procedure for dividing by a fraction. By understanding the concept of reciprocals and using fraction models, students will see that dividing by a number is the same as...
Brian McLogan
How do you verify identities
π Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...
msvgo
Resistance in Series
This nugget explains Ohm's law and its derivations for a system of resistors in series and parallel.
Brian McLogan
Using multiple properties of exponents simplify the expression
π Learn how to simplify expressions using the power rule and the negative exponent rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual...
Brian McLogan
Simplifying complex fractions
π Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Brian McLogan
Tips To Graph Trigonometric Functions
In this video, I will help you learn how to understand and graph the sine, cosine, tangent, cotangent, cosecant, and secant functions with their initial period
Curated Video
Solving One-Step Equations Using the Reciprocal
Solving one-step equations using the reciprocal.
KnowMo
Multiplying and Dividing Fractions Made Easy
This video provides a clear explanation of how to multiply and divide fractions using simple processes. The presenter demonstrates how to multiply fractions by multiplying the numerators and denominators, and how to simplify complex...
Brian McLogan
How to divide a mixed number by a fraction
π Learn how to divide mixed numbers. To divide mixed numbers, we first convert the mixed numbers to improper fractions. After we have converted the mixed numbers to improper fractions, we can then multiply the first fraction by the...
Curated Video
Solving Equations with Fractions as Coefficients
In this video, the teacher explains how to solve linear equations with fractions as coefficients using the multiplicative inverse. They demonstrate the step-by-step process of balancing the equation and multiplying both sides by the...
Brian McLogan
Where do the basic trigonometric identities come from
π Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...
Brian McLogan
What are equivalent fractions
π Learn how to understand the concept of fractions using parts of a whole. Fractions are parts of a whole and this concept can be illustrated using bars and circles. This concept can also be extended to understand equivalent fractions....
Professor Dave Explains
Trigonometric Functions: Sine, Cosine, Tangent, Cosecant, Secant, and Cotangent
Defining the trigonometric functions.
Curated Video
Simplifying Expressions with Negative Exponents
In this video, students learn how to simplify expressions involving negative exponents by applying exponent rules. The teacher explains that any base raised to a negative exponent is equal to 1 divided by that base raised to the positive...