Curated Video
The Complete Excel Guide: Beginners to Advanced - Order of Operations
Learn about the order of operations. 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 workbook in Excel.
Brian McLogan
Master Verifying an identity using the double angle formulas
Master Verifying an identity using the double angle formulas
Curated Video
Calculating Averages in Excel Using Formulas and Autosum Feature
In this tutorial, the teacher demonstrates how to quickly and easily calculate the average of a group of numbers in Excel. By using the simple formula "=average" and highlighting the desired cells, students can efficiently obtain...
Curated Video
Five Ways to Fix #VALUE Errors in Microsoft Excel
In this tutorial I'll show you five different reasons why you may get #VALUE! error messages in Microsoft Excel and how to fix each of them properly.
Brian McLogan
How to find the foci, center and vertices, and asymptotes of a hyperbola
Learn how to graph hyperbolas. To graph a hyperbola from the equation, we first express the equation in the standard form, that is in the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2 - (x - h)^2...
Brian McLogan
How to evaluate the half angle for the tangent function
👉 Learn how to evaluate the tangent of a half-angle. When given the value of the tangent of an angle, we can evaluate the tangent of half the angle using the tangent half-angle formula. When the value of any other trigonometric function...
Brian McLogan
What are the sum and difference formulas for sine
👉 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...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Subject of a Formula - 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...
Curated Video
GCSE Secondary Maths Age 13-17 - Number: Fractions - 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
Master how to determine the vertices, co vertices and foci of an ellipse
Welcome ladies and gentlemen. So what I'd like to do is show you how to determine the focus, vertices, as well as co-vertices of an ellipse when the center is at the origin. And again, we know that the center is at the origin because the...
Curated Video
The Complete Excel Guide: Beginners to Advanced - Overview of Formulas
In this video, let's take a quick overview of formulas. This clip is from the chapter "Excel 2019 Beginners: Formulas and Functions" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, we'll explore formulas...
Curated Video
Rewriting Linear Equations (includes Factoring)
In this video, the teacher explains how to rewrite literal equations and formulas using inverse operations. They cover different forms of equations, such as slope-intercept and standard form, and provide examples for solving for...
Brian McLogan
Learning to solve an equation by using the sum and difference formulas
👉 Learn how to solve equations using the angles sum and difference identities. Using the angles sum and difference identities, we are able to expand the trigonometric expressions, thereby obtaining the values of the non-variable terms....
Curated Video
The Complete Excel Guide: Beginners to Advanced - Creating an Outline
The aim of this video is to explore how to create an outline. This clip is from the chapter "Excel 2019 Beginners: Outlining and Subtotaling" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, we'll explore...
Brian McLogan
Master Evaluating the double angle for Sine, Cosine and Tangent from a right triangle
Master Evaluating the double angle for Sine, Cosine and Tangent from a right triangle
Brian McLogan
What is the period of tangent and cotangent
👉 Learn the basics of graphing a tangent and a cotangent function. To plot the tangent and the cotangent graph we choose a set of points and form a table of values with which we plot the points on the x-y coordinate axis to obtain the...
Brian McLogan
Find the reference angle and sketch both angles in standard position
👉 Learn how to find the reference angle of a given angle. The reference angle is the acute angle formed by the terminal side of an angle and the x-axis. To find the reference angle, we determine the quadrant on which the given angle lies...
Brian McLogan
Find the exact value using difference formula of two angles with sine
👉 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...
Curated Video
The Complete Excel Guide: Beginners to Advanced - Dimensional Formulas
Let's explore dimensional formulas. This clip is from the chapter "Excel 2019 Beginners: Working with Sheets" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, we'll start working with sheets.
Curated Video
The Complete Excel Guide: Beginners to Advanced - Copying Formulas
Let's learn how to copy formulas. This clip is from the chapter "Excel 2019 Beginners: Moving Data" of the series "The Complete Excel Guide: Beginners to Advanced".This section aims to explain how to move data.
Curated Video
The Complete Excel Guide: Beginners to Advanced - Module 12 - Practice Exercise
Let's do a practice exercise. This clip is from the chapter "Excel 2019 Beginners: Working with Names" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, we'll learn how to work with names.
Brian McLogan
Master Evaluating the double angle for Sine, Cosine and Tangent, given an angle and constraint ex 3
Master Evaluating the double angle for Sine, Cosine and Tangent, given an angle and constraint ex 3
Brian McLogan
Why do we need the sum and difference formulas
👉 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
Using sum and difference formulas to verify a trigonometric identity
👉 Learn how to verify the sum and difference of two angles trigonometric identities using the sum/difference formulas. To verify an identity means to ascertain that the left-hand side is equal to the right-hand side of the equality sign....