KnowMo
SohCahToa: Finding Side Lengths and Angles in Right Triangle Problems
This video is on calculating side lengths and angles using sine, cosine, and tangent ratios. The instructor emphasizes the importance of accurately labeling triangles with opposite, adjacent, and hypotenuse sides before selecting a ratio...
Curated Video
Trigonometry Basics: Using the Sine Rule for Non-Right Angle Triangles
The video is a lecture presentation on the sine rule, which is used to calculate missing side lengths and angles in non-right angle triangles. The presenter explains the three trigonometry ratios (sine Theta, Cos Theta, and tan Theta)...
Brian McLogan
How to use your trig functions to evaluate using the sides of a triangle
👉 Learn how to evaluate the six trigonometric functions given a right triangle. A right triangle is a triangle with 90 degrees as one of its angles. A right triangle is made up of two legs, which formed the sides of the 90 degrees angle...
Curated Video
Interpreting Graphs of Proportional Relationships
This video lesson teaches how to interpret graphs of proportional relationships. The teacher explains the concept of interpreting ordered pairs on a graph and how to write a sentence to explain what it means. The lesson also covers how...
Brian McLogan
Evaluate the six trigonometric functions given an trig equation
👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Let's Tute
Trigonometry: Basic Concepts and Formulas
In this video, the teacher explains the basics of trigonometry, including the six trigonometric ratios, complementary angles, and the three basic trigonometric identities. The video also covers word problems related to angles of...
Brian McLogan
Convert an angle from radian to degrees
👉 Learn how to convert angles from radians to degrees. Recall that pi radians is equivalent to 180 degrees. Thus, when given an angle in radians, to convert the angle to degrees we multiply the given angle radians by the ratio 180/pi.
Curated Video
Proportions
In this video lesson we will learn how to write and solve a proportion. We will use a proportion to determine if two ratios are equal. We will learn that if two ratios form a proportion there is a proportional relationship. We will solve...
Global Ethics Solutions
Your Professional Sales Mindset and Your Plan
You may know what you want but you need a plan to get there. No sales professional reaches a successful goal without a plan. Sales planning requires specific steps and processes that map out the path, understand the pitfalls and detours,...
Brian McLogan
What is the cosine function
👉 Learn how to evaluate the six trigonometric functions given a point. When given a point, there are many ways to evaluate the trigonometric functions of the point. The methods include: using the unit circle if the point is a point on...
Brian McLogan
How to determine equivalent ratios
👉 Learn all about multiplying and dividing fractions. In this playlist we will explore how to multiply and divide fractions when they are represented as mixed numbers or improper fractions. We will also explore how to simplify our...
Brian McLogan
How to determine if two ratios are equivalent
👉 Learn all about multiplying and dividing fractions. In this playlist we will explore how to multiply and divide fractions when they are represented as mixed numbers or improper fractions. We will also explore how to simplify our...
Curated Video
Making Lemonade (Graph, create and complete a table of equivalent ratios)
Devon is making lemonade from a mix. For every 2 tablespoons of lemonade powder, he needs 3 cups of water. What is the ratio of lemonade powder to water?
Brian McLogan
Using the midsegment to determine your missing values of a triangle
👉 Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a line is parallel to one side of a...
Let's Tute
Introduction to Trigonometric Ratios
This video explains how trigonometry can be used to find the height and distance of objects, especially in cases where physical measurement is not possible. It covers the properties of right angle triangles, trigonometric ratios, and how...
Curated Video
Ratio Relationships in the Real World
In this short video we will answer a standardized math test question about a ratio relationship in the real world. We will first use a drawing to visualize the ratio relationship. We will then use our drawing to determine if the given...
Curated Video
Constant of Proportionality
Identify the constant of proportionality when given a table or a graph.
Curated Video
Calculating Concentration Ratios in Oligopoly Markets
This video is about calculating concentration ratios in a market, especially in an oligopoly. The video explains what concentration ratios are, how they help understand the market structure, and how to calculate them for different...
Curated Video
How to Write a Ratio
In this short video we will write a ratio based on a real world situation.
Curated Video
Ratios: Proportion and Rates of Change
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1H Q2, which covers proportions and rates of change in ratios. In the problem, learners are required to work out the number of adults in a group,...
Curated Video
Ratios: Solving a Problem with Money and Fractions
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1HR Q4, which involves ratios with money and fractions. Students will learn how to use proportions to set up and solve ratio problems involving...
Curated Video
Finding the Difference between the Largest and Smallest Share in a Ratio Division Problem
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2H Q2, which involves ratios. Students will understand the concept of ratio division, including the definition and formula for finding the share of...