Brian McLogan
Learn how to use mathematical induction to prove a formula
π Learn how to apply induction to prove the sum formula for every term. Proof by induction is a mathematical proof technique. It is usually used to prove that a formula written in terms of n holds true for all natural numbers: 1, 2, 3, ....
Brian McLogan
Evaluate the sum of two angles with cosine
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
Learn how to determine the angle between two vectors in component form
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
Find the unit vector with the same direction as another vector given
Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The magnitude of a vector is obtained by taking the square root of the sum of the squares of the components of the...
Brian McLogan
Unit 4 trapezoidal sum approximation from a table
π Learn how to approximate the integral of a function using the trapezoid area approximation. Reimann sum is an approximation of the area under a curve or between two curves by dividing it into multiple simple shapes like rectangles and...
Brian McLogan
Learn how to write an algebraic proof
π Learn how to write an algebraic proof. Algebraic proofs are used to help students understand how to write formal proofs where we have a statement and a reason. In the case of an algebraic proof the statement will be the operations used...
Brian McLogan
How do you determine the volume of a cylinder
π Learn how to find the volume and the surface area of a cylinder. A cylinder is a 3-dimensional object having two circular bases and a round surface joining the bases. The vertical distance between the circular bases of a cylinder is...
KnowMo
Subtracting Mixed Numbers: Two Methods
The video is a lecture on how to subtract mixed numbers. The instructor presents two different methods for subtracting mixed numbers and walks through an example using both methods. The first method involves separating the whole number...
Curated Video
Recursive and Explicit Rules for Geometric Sequences
In this lesson, students will learn about geometric sequences and how they can be written using both recursive and explicit rules. They will understand the difference between the common ratio and the first term in the sequence, and how...
Curated Video
Determining Unit Rate Using Multiplicative Inverse
In this video, the teacher explains how to determine the unit rate by using the multiplicative inverse of a measurement. They provide examples and step-by-step instructions on how to find the unit rate using fewer steps than with a...
Curated Video
Multiplying Fractions with Fractions: Using an Algorithm to Solve Problems
In this video, students learn how to multiply fractions with fractions using a sequence of operations. The teacher explains the concept using visual representations and then introduces an algorithm to solve these problems more efficiently.
Brian McLogan
Determine the height of a figure using the Pythagorean theorem ex 1
π Learn how to find a missing side length of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a...
Curated Video
Create a computer vision system using decision tree algorithms to solve a real-world problem : Region of interest masking
From the section: Computer Vision Basics: Part 2. In this section, weβll explore the some addtiional features of Computer Vision. Computer Vision Basics: Part 2: Region of interest masking
TMW Media
Cylinders, Cones and Spheres: Calculating the area of a cylinder
Given the radius or diameter and height, how do you calculate the area of a cylinder? Cylinders, Cones and Spheres, Part 2
Curated Video
Multiplying a Fraction by a Mixed Number using Visual Representations
In this video, the teacher explains how to multiply a fraction by a mixed number using visual representations. The lesson begins with a review of fractions and their parts, the numerator and denominator.
Brian McLogan
Given One Factor Using Synthentic Division to Determine the Remaining Zeros
π Learn how to find all the zeros of a polynomial given one rational zero. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros of a...
Curated Video
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Pythagoras Theorem - 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
Sum and Difference identities of tangent using right triangles
π Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
Brian McLogan
Evaluating using special trig limits
π Learn how to evaluate the limit of a function involving trigonometric expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time....
Brian McLogan
Learn how to evaluate a limit with a function as a complex fraction
Learn how to evaluate a limit with a function as a complex fraction
Brian McLogan
Solve a System of Equations Using Elimination
πLearn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Brian McLogan
What does it mean to isolate a variable
π Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...
Brian McLogan
How to use special right triangles to determine the area of a parallelogram
π Learn all about Area and Perimeter. In this playlist, we will explore how to determine the area and perimeter of 2-dimensional figures. We will also look into combinations of figures. The focus will be on rectangles, squares,...
Brian McLogan
How to find x for a secant and a tangent line of a circle
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...