Brian McLogan
Learn How to Evaluate the Composition of Two Rational Functions
Learn how to compose two functions where one or both of those functions is/are rational. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of...
Brian McLogan
Solving a rational equation by multiplying by the LCD
👉 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
Learn the easy way to simplify a complex fraction by multiplying by the LCD
👉 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
Learn how to solve a rational expression by multiplying by the LCD
👉 Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational equations, one of...
Brian McLogan
Verify Identities Compilation
👉Learn how to verify 13 different trigonometric identities in under 1minute for each example. Check out the timestamps to skip to the problem/s you want to see first. 00:57 sinθsecθcotθ=1 01:47 sinθ/cscθ=sin^2θ 02:28...
Brian McLogan
LCD of Fraction VS LCD of Rational Expression
Students struggle with adding and subtracting rational expressions because they cannot find the least common denominator. In this video I will show you how to compare finding the LCD for fractions to rational expressions.
Curated Video
Trip to the Amusement Park (Use the number lines to solve word problems involving subtraction of fractions with like and unlike denominators)
Billy and Peter are going to the amusement park with their families. Each family is taking their own car for the ride. Once everyone reached the park, Billy’s dad said: “we drove five and one eighth miles” and Peter’s dad said: “my car’s...
Math Fortress
GRE Arithmetic: Fractions (Part 5 of 5)
This video is a review of basic arithmetic for the purpose of solving problems on the quantitative reasoning section of the GRE revised General Test. This video covers the basics of fractions. Topics covered: Comparing Fractions,...
Brian McLogan
How to solve a equation when there is no solution
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
How to find the difference between two rational expressions with unlike denominators
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Brian McLogan
Using period as an aide to evaluate for cosine
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Brian McLogan
Simplify 24 Trigonometric Expressions With Identities
Simplify 24 Trigonometric Expressions With Identities
Brian McLogan
Sum and Difference Formulas | Full Lesson
In this video we will work through what the sum and difference formulas are, and how to apply them to help use evalutate trigonometric expressions, verify trigonometric identities and solve trigonometric equations.
Brian McLogan
Simplifying a complex expression by multiplying by the LCD
👉 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
Use factoring to help us determine the LCD when subtracting two rational expressions
Learn how to add/subtract rational expressions with trinomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
Brian McLogan
Learn how to divide two rational expressions by combing them
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
The easy way to determine the lcd of two rational expressions and use it to find the sum
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
TMW Media
Gaussian Elimination & Gauss-Jordan Elimination
This program covers the very important topic of Cramer's Rule in matrix algebra. Cramer's Rule is an alternative method used to solve a system of equations. Cramer's Rule is especially useful because it can be applied to a wide range of...
Cerebellum
Fractions and Averages
This video covers exam strategy, Arithmetic, Fractions, Averages, Median, Mode. This is part 3 from the series 'Introduction to the Math Section of the SAT'.
Brian McLogan
Simplify a trig expression by multiplying by the LCD
👉 Learn how to simplify trigonometric expressions by factoring, expansion, and re-grouping. To simplify a trigonometric identity means to reduce the identity to the simplest form it can take which may be a number or a simple...
Brian McLogan
Dividing two rational expressions by combining expressions
👉 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...