Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Parallelogram - 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...
FuseSchool
SOHCAHTOA - Finding Missing Angles
In this video we will discover how to find a missing angle in a right angle triangle, when we already know the lengths of two sides. We use SOHCAHTOA to do this. You should already know what SOHCAHTOA is and how to use it. We saw how to...
Brian McLogan
Write the equation of a line through a point perpendicular to another equation
👉 Learn how to write the equation of a line that is perpendicular to a given line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various...
KnowMo
Introduction to Trigonometry Functions in Right-Angle Triangles
This video is an introduction to trigonometry functions, which are used to calculate side lengths and angles in triangles using three important ratios: sine, cosine, and tangent. The video explains how to establish a right-angle triangle...
msvgo
Parallelogram and Its Properties
It explains a parallelogram and its properties such as opposite sides and opposite angles are equal and each diagonal divides the parallelogram into two congruent triangles.
Brian McLogan
Evaluating the composition of sine and cosine functions
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Brian McLogan
How to determine the domain and range of a quadratic using its vertex
👉 Learn the basics to understanding graphing quadratics. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Brian McLogan
How to use trigonometric functions to find the missing side of a triangle
How to use trigonometric functions to find the missing side of a triangle
Let's Tute
Understanding Complementary Angles and Trigonometric Ratios
In this video, the teacher explains the concepts of right angle triangles, complementary angles, and trigonometric ratios for complementary angles. They also discuss the values of sine, cosine, secant, cosecant, tangent, and cotangent...
Brian McLogan
What is the negation of a statement and examples
👉 Learn how to find the negation of a statement. The negation of a statement is the opposite of the statement. It is the 'not' of a statement. If a statement is represented by p, then the negation is represented by ~p. For example, The...
Brian McLogan
What are the Inverse Trigonometric functions and what do they mean?
👉 Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...
Professor Dave Explains
Basic Trigonometric Identities: Pythagorean Identities and Cofunction Identities
An overview of basic trigonometric identities.
Let's Tute
Trigonometric Ratio Complementary - Angles Of Trigonometry
In this video we will learn complementary angle of trigonometric ratio, basics of trigonometry and angles.
Brian McLogan
Find the missing length of a triangle using the cosine function
👉 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...
Professor Dave Explains
Mass vs. Weight and the Normal Force
Mass is just a fancy sciency word for weight, right? Wrong! Although related, they aren't the same thing. You'd better find out exactly what the difference is so that you don't look foolish around the water cooler!
Curated Video
Problem Solving with Measurement: Drawing Models to Find the Unknown
In this video, the teacher explains how to solve measurement problems by drawing models. They use examples of finding the length of a wire that was cut into three pieces and determining how many bows can be made from a given length of...
KnowMo
Surds, Rationalizing Denominators, and Applying Laws of Surds
This video provides an introduction to surds and explains two laws of surds related to multiplication and division. It also explains how to convert a number in the form of surds to the form of A root B and how to rationalize the...
Curated Video
Adding & Subtracting Linear Expressions
In this video, the teacher explains how to add and subtract linear expressions using algebra tiles and the vertical method. The lesson also clarifies what a linear expression is and how to simplify it to its simplest form.
Brian McLogan
Master Determine the Truth of conditional statements and which ones are logically equivalent
Master Determine the Truth of conditional statements and which ones are logically equivalent
Brian McLogan
How to use a triangle to evaluate the six trig functions for an angle
👉 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...
Brian McLogan
How to determine the converse inverse and contrapositive from a statement
👉 Learn how to find the inverse, the converse, and the contrapositive of a statement. The contrapositive of a statement is the switching of the hypothesis and the conclusion of a conditional statement and negating both. If the hypothesis...
Brian McLogan
Find the angle of elevation when given the length of a shadow
👉 Learn how to solve the word problems with trigonometry. Word problems involving angles, including but not limited to: bearings, angle of elevations and depressions, triangles problems etc are solved using trigonometry. To be able to...
Brian McLogan
Write the conditional, converse, inverse, and contrapositive of the statement ex
👉 Learn how to find the inverse, the converse, and the contrapositive of a statement. The contrapositive of a statement is the switching of the hypothesis and the conclusion of a conditional statement and negating both. If the hypothesis...