Brian McLogan
Applying cross multiplication to solve a proportion
👉 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 how to divide two fractions with unlike denominators
👉 Learn how to divide fractions. To divide two fractions, we multiply the first fraction by the reciprocal of the second fraction. (The reciprocal of a fraction is swapping the positions of the numerator and the denominator). It is...
Brian McLogan
Find a perpendicular liness through a given point
👉 Learn how to write the equation of a line that is perpendicular to a given line. 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...
Brian McLogan
Verifying a trigonometric Identities
👉 Learn how to verify Pythagoras trigonometric identities. A Pythagoras trigonometric identity is a trigonometric identity of the form sin^2 (x) + cos^2 (x) or any of its derivations. To verify trigonometric expression means to verify...
Brian McLogan
How to determine the domain of a function with restrictions interval notation
👉 Learn about every thing you need to know to understand the domain and range of functions. We will look at functions represented as equations, tables, mapping, and ordered pairs. The domain is the set of all possible x or input values...
Brian McLogan
Solving a proportion with x on both sides
👉 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...
KnowMo
Introduction to Powers and Roots
The video is a tutorial on the basics of powers and roots in mathematics. It covers positive powers, negative powers, roots, and fractional powers, explaining how to write them in index notation, convert negative powers into fractions,...
Financial Times
Steve Bannon on populism
The FT’s editor Lionel Barber talks with Steve Bannon about economic nationalism and rising populism.
Tarver Academy
Multiplicative Inverse Reciprocal
In This Episode, Tyler Teaches Us About Multiplicative Inverse Reciprocal
Brian McLogan
Evaluate the derivative of the inverse function
👉 Learn how to find the derivative of the inverse of a function. 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 of a...
Professor Dave Explains
Basic Trigonometric Identities: Pythagorean Identities and Cofunction Identities
An overview of basic trigonometric identities.
Brian McLogan
Simplifying complex fractions
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
Applying direct variation to a proportion so solve for the missing variable
👉 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
GCSE Secondary Maths Age 13-17 - Graphs: Equation of a straight line - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
How to use a triangle to evaluate the six trig functions for an angle
👉 Learn how to evaluate the six trigonometric functions given a right triangle. A right triangle is a triangle with 90 degrees as one of its angles. A right triangle is made up of two legs, which formed the sides of the 90 degrees angle...
Brian McLogan
Solving literal equations made easy
👉 Learn how to solve literal equations involving formulas. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the...
Brian McLogan
How To Graph Tangent
👉 Learn how to graph a tangent function. To graph a tangent function, we first determine the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the parent function), the vertical shift (the...
Brian McLogan
Algebra 2 - How do you solve proportions two methods 5/b = 3/9
Algebra 2 - How do you solve proportions two methods 5/b = 3/9
Brian McLogan
Solve a two step equation with a fractional coefficient
👉 Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Curated Video
Fractions: Reviewing the Four Operations
In this video lesson we will review how to add, subtract, multiply and divide fractions. We will make connections between adding and subtracting fractions. When you add and subtract fractions, you find a common denominator and add or...
Brian McLogan
Evaluate trig functions using trig identities and cofunction identities
👉 Learn how to evaluate trigonometric functions using trigonometric identities. Trigonometric identities are equalities that involve trigonometric functions. We will focus on the cofunction identities and even-odd identities. The...
Brian McLogan
What are your three basic fundamental trigonometric identities
👉 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
Learn how to distribute a trigonometric function and then simplify the expression
👉 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
How to solve a multi step equation with fractions
👉 Learn how to solve multi-step equations with variable on both sides of the equation. An equation is a statement stating that two values are equal. A multi-step equation is an equation which can be solved by applying multiple steps of...