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Brian McLogan
Evaluating the difference of two angles for sine
π Learn all about sum and difference angle identities. In this video playlist, you will learn how to evaluate, solve, simplify and verify using sum and difference angle identities. We will evaluate using angles not found on the unit...
Brian McLogan
Tutorial for solving a trig equation with half angle and sine
π Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
How to find all of the solutions to an equation as well as within the unit circle
π 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
Algebra 2 - How to Evaluate for an Logarithm when the Answer is a Fraction
π Learn how to evaluate basic logarithms. Recall that the logarithm of a number says 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). Thus,...
Curated Video
The Complete Excel Guide: Beginners to Advanced - Relative References
Learn about the relative references.
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This clip is from the chapter "Excel 2019 Beginner: Creating Workbooks" of the series "The Complete Excel Guide: Beginners to Advanced".This section aims to teach you how to create a...
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This clip is from the chapter "Excel 2019 Beginner: Creating Workbooks" of the series "The Complete Excel Guide: Beginners to Advanced".This section aims to teach you how to create a...
Curated Video
The Complete Excel Guide: Beginners to Advanced - Consolidating Data
The aim of this video is to explore how to consolidate data.
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This clip is from the chapter "Excel 2019 Beginners: Linking Files" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, you'll learn...
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This clip is from the chapter "Excel 2019 Beginners: Linking Files" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, you'll learn...
Brian McLogan
Master Evaluating the half angle for sine, cosine, and tangent given an angle
Master Evaluating the half angle for sine, cosine, and tangent given an angle
Brian McLogan
Master how to determine the center and radius given the equation of a circle
Master how to determine the center and radius given the equation of a circle
Brian McLogan
Subtract two rational expressions with polynomials
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
Simplifying complex fractions by writing as a multiplication problem
π Learn how to simplify complex fractions. To simplify complex fractions having a fraction as the numerator and another fraction as the denominator we first factor the expressions that can be factored and then we multiply the fraction in...
Brian McLogan
Pre-Calculus - Applying distributive property with complex numbers 5i (3-2i)
In this math tutorial I will show you how to multiply complex numbers. Complex numbers come in the form of a +bi. Multiplying complex numbers carry some of the same properties as multiplying polynomials. However when simplifying we will...
Brian McLogan
Master how to determine if a function is even or odd graphically
Master how to determine if a function is even or odd graphically
Brian McLogan
Why do we have to include the abs of an even root
π Learn how to multiply radicals. A radical is an expression or a number under the root symbol. To multiply radicals with the same root, it is usually easy to evaluate the product by multiplying the numbers or expressions inside the...
Brian McLogan
what are the transformation of the logarithmic graph compared to exponential
π Learn all about graphing logarithmic functions. A logarithmic function is a function with logarithms in them. The graph of the parent function of a logarithmic function usually takes its domain from the positive x-axis. To graph a...
Brian McLogan
What do you need to know when dividing complex numbers
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
Converting an equation from standard form to vertex form
π Learn how to write a quadratic equation from standard form to vertex form by completing the square. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. It is of the form f(x) = ax^2 + bx + c. Given a...
Brian McLogan
Determining if two functions that are exactly the same have the same inverse
π 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...
Curated Video
Linux Administration Bootcamp: Go from Beginner to Advanced - Mirroring Logical Volume (LV)
This video demonstrates how to mirror LV.<br/<br/>>
This clip is from the chapter "Logical Volume Manager (LVM)" of the series "Linux Administration Bootcamp: Go from Beginner to Advanced".This section introduces you to LVM.
This clip is from the chapter "Logical Volume Manager (LVM)" of the series "Linux Administration Bootcamp: Go from Beginner to Advanced".This section introduces you to LVM.
Brian McLogan
Which way would you solve the two step equation with fractions
In this video I discuss the different ways we can approach solving a two step equation with fractions. depending on the question some problems will be easier than others.
Let's Tute
Introduction to Similar Triangles in Geometry
In this video, the teacher explains the concept of triangles and their angles, and how to identify similar triangles based on their corresponding angles and aspect ratios. The teacher also introduces the concept of scale factor and how...
Brian McLogan
Pre-Calculus - Using the difference of angles for cosine to evaluate for an angle cos(225-30)
π Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
How to simplify a trigonometric expression by factoring out your GCF
π Learn how to simplify identities by factoring. Just like in normal algebraic expressions, trigonometric identities can be simplified by factoring out the GCFs from the terms of the identities, then common trigonometric identities like...
Brian McLogan
How to solve a trig equation with square roots
π Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Find the solutions to the given trinomial -3x^2 - 2x - 1 = 0
πLearn how to solve quadratic equations by factoring. We will focus on factoring special techniques such as the zero product property, difference of two squares, box method and guess and check. Once we have factored the quadratic...