Brian McLogan
Pre-Calculus - Evaluating the composition of functions and then determining the domain
In this video series we will investigate the basics of what you will need to know to be successful in Pre-Calculus. We will start with learning about linear equations and writing the equation of a line as well as determining the slope....
Brian McLogan
Pre-Calculus - Learn how to evaluate the difference of two functions, f(x) = x^2 + 1; g(x) = sqrt(x)
In this video series we will investigate the basics of what you will need to know to be successful in Pre-Calculus. We will start with learning about linear equations and writing the equation of a line as well as determining the slope....
Brian McLogan
Everything you need to know about Functions in Pre-Calculus | FULL LESSON
👉In this video I will cover the main 6 topics of functions in pre-calculus. Each topic is covered in detail with multiple examples to help you have a solid foundation of content.
Brian McLogan
Graph Rational Functions | Rational Functions | Pre-Calculus
Let's discover how to identify the asymptotes and intercepts of a rational function. We will begin graphing the reciprocal function and use that to help us understand the asymptotes and intercepts of any reciprocal function. I make...
Brian McLogan
Pre-Calculus - How to simplify a basic trigonometric expression - help me with math - cotθ secθ
In this video series I will show you how to simplify trigonometric expressions. We will simplify these expression to either a single trigonometric term or number. To simplify we will use trigonometric identities such as Pythagorean,...
Brian McLogan
Pre-Calculus - Using Double Angle Formulas to Help Solve for Solutions to an Equation
👉 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...
Brian McLogan
Simplify Rational Expressions | Rational Functions | Pre-Calculus
In this video we will cover simplifying rational expressions. In addition to simplifying rational expressions we are going to cover simplifying complex fractions, adding, subtracting, multiplying and dividing rational expressions. We...
Brian McLogan
Solve Trigonometric Equations | Analytic Trig | Pre-Calculus
In this video we will explore how to solve trigonometric equations. We will work on isolating the trigonometric function using inverse operations, factoring and identities. We will then solve on the unit circle, all solutions and...
Brian McLogan
Pre-Calculus - how to add two trigonometric expressions without finding the LCD
In this video series I will show you how to simplify trigonometric expressions. We will simplify these expression to either a single trigonometric term or number. To simplify we will use trigonometric identities such as Pythagorean,...
Brian McLogan
Pre-Calculus - How to simplify a rational trigonometric expression cos^2(θ)/cot^2(θ)
In this video series I will show you how to simplify trigonometric expressions. We will simplify these expression to either a single trigonometric term or number. To simplify we will use trigonometric identities such as Pythagorean,...
Brian McLogan
Pre-Calculus - Adding two rational trigonometric expressions (cosθ/sinθ)+(sinθ/cosθ)
In this video series I will show you how to simplify trigonometric expressions. We will simplify these expression to either a single trigonometric term or number. To simplify we will use trigonometric identities such as Pythagorean,...
Brian McLogan
Pre-Calculus - Learn how to simplify a trigonometric expression using cofunction identities
In this video series I will show you how to simplify trigonometric expressions. We will simplify these expression to either a single trigonometric term or number. To simplify we will use trigonometric identities such as Pythagorean,...
Brian McLogan
Pre-Calculus - Using the Double Angle of Tangent to Solve an Equation
👉 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...
Brian McLogan
Simplify Trigonometric Expressions | Analytic Trig | Pre-Calculus
In this video I will show you how simplify a trigonometric expression by applying trigonometric identities and algebraic operations. We will discover the quotient, reciprocal, even odd, co-function and Pythagorean identities. We will...
Brian McLogan
Pre-Calculus - Solve an Equation Using the Double Angle Formula of Sine
👉 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...
Brian McLogan
Pre-Calculus - How to Solve an Equation Using Double Angles
👉 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...
Brian McLogan
Graph Reciprocal Trig Functions | Trigonometry | Pre-Calculus
In this video we will explore how to graph the reciprocal function. We will do this by exploring the characteristics of cosecant, secant and cotagent to comparing them to the reciprocal functions, sine, cosine and tangent. We will then...
Brian McLogan
Double and Half Angle Formulas | Analytic Trig | Pre-Calculus
In this video we will explore how to use the double angle to evaluate trigonometric expressions from triangles as well as angles in degrees and radians. We will then use double angle formulas to help verify trigonometric identities and...
Brian McLogan
Pre-Calculus - Find All of the Solutions of an Equation Using the Double Angle Formulas
👉 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...
Science360
Archaeologists uncover the remains of two Ice Age infants
A National Science Foundation-funded team of archaeologists from the University of Alaska Fairbanks had uncovered the remains of two Ice Age infants, buried more than 11,000 years ago. The discovery represents the youngest human remains...
JJ Medicine
Esophageal Cancer Signs & Symptoms (& Why They Occur)
Esophageal Cancer Signs & Symptoms (& Why They Occur) Esophageal cancer (esophageal carcinoma) is a cancer of the esophagus. There are 2 main types of esophageal cancer, each of which has different pathophysiological mechanisms and risk...
TED-Ed
What few people know about the program that "saved" America | Meg Jacobs
In 1932, one in four Americans was unemployed, marking the highest unemployment rate in the country's history. The Democratic presidential candidate Franklin D. Roosevelt promised a New Deal— a comprehensive set of legislation to support...
Brian McLogan
Pre-Calculus - How to evaluate the composition of two functions and determine the domain
Learn how to compose two functions where one or both of those functions is/are radical. 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...