Curated Video
The Power of the Sun
How do we know how powerful the Sun's energy is from here on Earth? Measuring the surface area of an imaginary giant sphere holds the answer. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum....
Curated Video
Chinese Development of Maths
Chinese maths developed independently of the West – but with similar outcomes. Discover the parallels between East and West, and why it appears that Chinese mathematicians often got there first. Maths - History Of Maths A Twig Math Film....
Curated Video
Irrational Numbers: Pythagoras
Beside the now-famous theorem which bears his name, discover the bizarre life of Pythagoras and his Brotherhood, in which maths was the language of the Gods and irrational numbers were heretical. Maths - History Of Maths A Twig Math...
Curated Video
Speed of the Earth
Even when you are standing still, you are moving through space at incredible speed. Find out how to calculate just how fast the Earth is moving. Maths - Accuracy And Proof A Twig Math Film. Reinforce and extend the learning required by...
Curated Video
How to Find the Radius of a Circle from the Area
In this math video we will learn how to find the radius of a circle from the area of a circle. We will be provided with the area of a circle in terms of pi and asked the measurement of the radius. We will review and use the formula for...
Curated Video
Measure of an Angle
This video will discuss examples of converting between radian and degree measure.
Zach Star
The Most Unusual Ways Pi Shows Up In Mathematics | Can You Explain These?
The Most Unusual Ways Pi Shows Up In Mathematics | Can You Explain These?
Curated Video
Volume of a Cone Using Diameter
In this video, the teacher explains how to find the volume of a cone using the formula 1/3 * π * r^2 * h. They walk through the process step-by-step and provide helpful tips for identifying the values needed for the equation. Grade 8...
TMW Media
Circles And Circular Figures: Calculating the circumference of a circle
Given the diameter or the radius of a circle, what is its circumference? Circles And Circular Figures, Part 2
Curated Video
Finding Radian Measures of Special Angles
In this lesson, students will learn how to find the exact Radian measure of angles without using a calculator. They will recognize special angles as fractions or multiples of π and understand that π radians is only half of a circle. By...
Catalyst University
Pi-donors, Sigma-donors, and Pi-acceptors: Orbital Overlap
Pi-donors, Sigma-donors, and Pi-acceptors: Orbital Overlap
Catalyst University
Protein Purification Problem: SEC and pI
Protein Purification Problem: SEC and pI
Brian McLogan
Learning how to solve an equation using the sum and difference formulas for sine
👉 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....
Brian McLogan
Evaluate an expression using the sum and difference of two angles
👉 Learn how to write a given sum or difference of two angles formula expression as a single sum/difference of angles trigonometric function. To do this, we first identify the trigonometric function for which its sum/difference formula is...
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
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...
Brian McLogan
Converting a rectangular point to polar form in the third quadrant
Converting a rectangular point to polar form in the third quadrant
TMW Media
Cylinders, Cones and Spheres: Calculating the volume of a sphere
What is the formula to calculate the volume of a sphere? Given the radius or diameter, how do you calculate the volume of a sphere? Cylinders, Cones and Spheres, Part 6
Brian McLogan
How to use the half angle formula for tangent to evaluate for an angle
👉 Learn how to evaluate the tangent of a half-angle. When given the value of the tangent of an angle, we can evaluate the tangent of half the angle using the tangent half-angle formula. When the value of any other trigonometric function...
Brian McLogan
What is the relationship of lengths for two secant lines from a point outside 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...
TMW Media
Cylinders, Cones and Spheres: Learn about surface area of a cylinder
What is the formula to calculate the surface area of a cylinder? What are the parameters of a cylinder? Cylinders, Cones and Spheres, Part 1
TMW Media
Circles And Circular Figures: Learn about the circumference of a circle
What is a diameter? What is a radius? Explain the circumference of a circle. What is the formula for a circumference? What is Pi? Circles And Circular Figures, Part 1
Brian McLogan
How to write the equation of a circle given a circle on a graph
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...