Brian McLogan
Verify Cofunction Identity using Difference Formula
Verify Cofunction Identity using Difference Formula
Brian McLogan
Graphing a sideways parabola using the focus and directrix
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Let's Tute
Solving Arithmetic Progression Problems
This video is a tutorial on how to solve problems related to arithmetic progression. The teacher explains the two fundamental formulas and how to identify the parameters needed to solve the problems. They provide examples and tips on how...
Brian McLogan
How to solve a equation using difference of two angles
👉 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
Learn how to evaluate tangent using the difference formula of two angles
👉 Learn how to evaluate the tangent of an angle in degrees 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
Solve equations using the double angle formula
👉 Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Brian McLogan
What is the equation for a circle
Learn how to write the equation of a circle. A circle is a closed shape such that all points are equidistance (equal distance) from a fixed point. The fixed point is called the center of the circle while the distance between any point of...
Brian McLogan
Tutorial - Given the Cosine of an Angle Determine the Double Angle for Sine, Cosine and Tangent
👉 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)...
Brian McLogan
Learn how to find the area of a oblique triangle
👉 Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....
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Introduction to Data Types in Microsoft Excel
In this Microsoft Excel tutorial, the teacher explains the different data types in Excel such as labels, whole values, and dates. The tutorial also covers formulas and shortcuts to perform calculations.
Brian McLogan
Applying the recursive formula to a sequence to determine the first five terms
👉 Learn all about recursive sequences. Recursive form is a way of expressing sequences apart from the explicit form. In the recursive form of defining sequences, each term of a sequence is expressed in terms of the preceding term unlike...
Brian McLogan
Determine the missing value for the length on a secant line using a tangent line
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Brian McLogan
Master Writing a single trigonometric expression using sum and difference formulas
Master Writing a single trigonometric expression using sum and difference formulas
Brian McLogan
Given the focus and directrix write the equation of a parabola
Learn how to write the equation of a parabola given the focus and the directrix. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared)....
Curated Video
Applying Formulas for Area and Surface Area in Real World Problems
In this video, you will learn how to evaluate expressions for the area of a square and the surface area of a cube. By understanding the formulas and applying them to real-world problems, you will be able to calculate the area of a square...
KnowMo
Calculating Area and Circumference of Circles
This video is a tutorial on how to calculate the area and circumference of circles using formulas such as pi times the radius squared or pi times the diameter of the circle. The video explains the importance of rounding the final answer...
KnowMo
Introduction to Formulas and Substitution in Mathematics
This video provides an introduction to formulas in mathematics. It explains how formulas help in calculating the value of a variable from a given statement. Using examples of the cost of a taxi, area of a circle, and perimeter of a...
Brian McLogan
Pre-Calculus - Using Double Angle Formulas to Help Solve for Solutions to an Equation
👉 Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Brian McLogan
Pre-Calculus - How to Solve an Equation Using Double Angles
👉 Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Brian McLogan
How to use alternating signs to find the rule for a sequence
👉 Learn how to write the rule of a sequence given a sequence of numbers. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. To write the explicit formula of...
Brian McLogan
Learn how to evaluate for an angle by sketching the angle and using reference angles
👉 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...
Tarver Academy
How to Use Formulas in Google Sheets
In This Episode, Tyler Teaches Us About How to Use Formulas in Google Sheets
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Efficient Formulas with Fixed and Relative Reference in Excel
This video tutorial teaches how to write formulas efficiently with fixed and relative reference in Microsoft Excel, covering three types of reference: absolute fixed cell reference, fixed row but not fixed column reference, and fixed...
Let's Tute
Microsoft Excel Tutorial: Relative vs Absolute Cell Reference in Formulas
This is a tutorial on the difference between relative and absolute cell references in Microsoft Excel formulas. The video explains how cell references change when formulas are copied and how to use absolute cell references to keep...