Brian McLogan
How to use the pythagorean identities to simplify a trigonometric 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
Converting an angle in radians to degrees Math free answers
👉 Learn how to convert angles from radians to degrees. Recall that pi radians is equivalent to 180 degrees. Thus, when given an angle in radians, to convert the angle to degrees we multiply the given angle radians by the ratio 180/pi.
Brian McLogan
Simplifying a rational radical by multiplying by the conjugate
👉 Learn how to divide rational expressions having square root binomials. To divide a rational expression having a binomial denominator with a square root radical in one of the terms of the denominator, we multiply both the numerator and...
Brian McLogan
Simplify two rational expressions by adding
Learn how to add and/or subtract rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. When adding or subtracting rational...
Brian McLogan
Rationalize the denominator with a radical
👉 Learn how to divide rational expressions having square root binomials. To divide a rational expression having a binomial denominator with a square root radical in one of the terms of the denominator, we multiply both the numerator and...
Brian McLogan
What are the basic properties of logarithms
👉 Learn all about the properties of logarithms. The logarithm of a number say a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a). The...
Curated Video
Using the Quotient of Powers Property
This video lesson will explore the Quotient of Powers Property which states that when dividing two exponents with the same base, you can subtract the exponents and keep the base. This property will always work as long as the base is not...
Flipping Physics
Introduction to Kinetic Energy with Example Problem
Mr.p rides a bike and drives a car to help you learn about Kinetic Energy.
Coto Japanese Academy
JLPT N3 Grammar - わりに (How to say "Considering it's cheap, it's actually good!" in Japanese)
In this video, Yuka-sensei will introduce you to the grammar point わりに (wari ni) JLPT Level N3 Grammar Point. わりに (wari ni) meaning: considering; comparatively; relatively; unexpectedly; unusually~
Brian McLogan
How to simplify a trig expression using pythagorean identities
👉 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
Simplify a trigonometric expression using difference of two squares
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...
Brian McLogan
Factoring a trinomial when a is equal to two
we find two factors of the product of the constant term (the term with no variable) and the coefficient of the squared variable whose sum gives the linear term. These factors are now placed in separate brackets with x to form the factors...
Brian McLogan
Solving for x in an equation using addition and division
👉 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
Excel VBA Programming The Complete Guide - Create UserForm, Toolbox, Properties, Controls
The UserForm is a custom form that can be configured with labels, textboxes, buttons and more. In this lesson, we create our first UserForm and begin our discussion of popular naming conventions in the VBA community. This clip is from...
Brian McLogan
Evaluate your six trig functions for a given point
👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Brian McLogan
Factor the denominator to help you simplify a rational expression
Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To simplify a rational expression, we factor...
Brian McLogan
Overview properties of logs - One to one Property - What is your math question?
👉 Learn all about the properties of logarithms. The logarithm of a number say a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a). The...
Brian McLogan
Verifying that two functions are inverses
👉 Learn how to show that two functions are inverses. The composition of two functions is using one function as the argument (input) of another function. In simple terms composition of two functions is putting one function inside another...
Brian McLogan
Multiply by the conjugate to simplify a radical rational expression
👉 Learn how to divide rational expressions having square root binomials. To divide a rational expression having a binomial denominator with a square root radical in one of the terms of the denominator, we multiply both the numerator and...
Curated Video
Writing Equations to Solve Real World Addition and Subtraction Problems
In this video, you will learn how to solve real-world problems using addition and subtraction by writing equations. By defining variables and determining the appropriate operation, you will be able to solve the problems and verify your...
NASA
It's Surprisingly Hard to Go to the Sun
The Sun contains 99.8 of the mass in our solar system. Its gravitational pull is what keeps everything here, from tiny Mercury to the gas giants to the Oort Cloud, 186 billion miles away. But even though the Sun has such a powerful pull,...
Brian McLogan
How to find the equation of an hyperbola
Learn how to write the equation of hyperbolas given the characteristics of the hyperbolas. The standard form of the equation of a hyperbola is of the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2...