Brian McLogan
What are the sum and difference formulas for cosine
👉 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
Convert to a hyperbola to standard form to find foci, vertices, center and asymptotes
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
Solve Trig Equation Sum and Difference Formula
Solve Trig Equation Sum and Difference Formula
Curated Video
The Complete Excel Guide: Beginners to Advanced - Protecting Sheets
The aim of this video is to explore how to protect sheets. This clip is from the chapter "Excel 2019 Beginners: Formatting Worksheets" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, you'll learn how to...
Brian McLogan
Master how to graph a linear equation using slope intercept form
Master how to graph a linear equation using slope intercept form
Curated Video
Introduction to Array Formulas in Microsoft Excel
This video introduces the concept of array formulas in Microsoft Excel, demonstrating how they can efficiently perform multiple calculations simultaneously on groups of cells. By using array formulas, complex tasks such as counting the...
Brian McLogan
Learn how to solve a trigonometric equation with 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....
Catalyst University
Instrumental Analysis: Calculations For Voltage and Current
Instrumental Analysis: Calculations For Voltage and Current
Brian McLogan
Using the half angle of cosine to evaluate cos
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Curated Video
Excel VBA Programming The Complete Guide - The Range.Clear, Range.ClearContents and Range.ClearFormats Methods
In this quick lesson, we dive into 3 total methods on a Range object: • ClearContents, which removes the value from a Range. • ClearFormats, which removes the formatting of a cell (font, border, background, etc) • Clear, which removes...
Brian McLogan
Master Evaluating Sine and Cosine using Sum and Difference formulas
Master Evaluating Sine and Cosine using Sum and Difference formulas
Brian McLogan
Identify the center, foci, vertices and asymptotes then sketch graph of hyperbola
Identify the center, foci, vertices and asymptotes then sketch graph of hyperbola
Curated Video
Excel VBA Programming The Complete Guide - SpecialCells
The Range.SpecialCells method extracts a subset of cells from a Range based on a criteria -- empty cells, cells with constants, cells with formulas, etc. In this lesson, we populate a column with various values and use the method to...
Curated Video
The Complete Excel Guide: Beginners to Advanced - Using Names in Formulas
The aim of this video is to explore how to use names in formulas. 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...
Brian McLogan
Pre-Calculus - Evaluating the Double Angle for Cosine Using a Triangle
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Curated Video
Excel VBA Programming The Complete Guide - R1C1 Notation, Part II
In this lesson, we continue to expand on the R1C1 concepts introduced in the past lesson by applying them to several real-life examples. This clip is from the chapter "Range References" of the series "Excel VBA Programming–The Complete...
Curated Video
The Complete Excel Guide: Beginners to Advanced - Creating Basic Formulas
Learn how to create basic formulas. 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.
Curated Video
The Complete Excel Guide: Beginners to Advanced - Absolute Values
Let's understand what are absolute values. 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 and functions.
Curated Video
The Complete Excel Guide: Beginners to Advanced - Working with Links
The aim of this video is to explore how to work with links. 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 how to link files.
Brian McLogan
How to evaluate the half angle of sine
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Curated Video
The Complete Excel Guide: Beginners to Advanced - Relative References
Learn about the relative references. 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.
Curated Video
The Complete Excel Guide: Beginners to Advanced - Managing Names
The aim of this video is to explore how to manage names. 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...
Curated Video
The Complete Excel Guide: Beginners to Advanced - PivotTables
The aim of this video is to explore PivotTables. This clip is from the chapter "Excel 2019 Beginners: PivotTables" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, we’ll understand and explore PivotTables.
Math Fortress
Algebra I: Translating Sentences into Equations (Level 2 of 2)
This video goes over 9 examples, covering the proper way to translate sentences into equations that require the use of formulas.