Brian McLogan
4d Example 2 (Evaluating trig functions with the same reference angle)
4d Example 2 (Evaluating trig functions with the same reference angle)
Brian McLogan
What is the radian measure of an angle
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Science Buddies
Circular Reasoning: Finding Pi
Mathematicians look at the world around them in terms of numbers and formulas, and now, you can discover the formula for Pi too! In this science activity you will examine circular objects and see what you can discover about their sizes....
Brian McLogan
What is a central angle?
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
What is the measure of one radian
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
Solving trigonometric equations
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Let's Tute
Volume of a Sphere
This video explores the mathematical logic behind the story of the thirsty crow and applies it to a real-life scenario of calculating the number of marbles needed to raise the water level in a glass. It also includes a derivation of the...
IDG TECHtalk
What is Pi Day?
Every year on March 14, math geeks and others celebrate Pi Day. Here's how the celebration got started and other interesting facts around the holiday that's steadily growing in popularity.
Brian McLogan
Given the diameter, find the area of a circle
👉 Learn how to find the area and perimeter of a parallelogram. A parallelogram is a quadrilateral with two pairs of parallel sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...
Visual Learning Systems
Understanding Circumference of Circles
This video explains how to calculate the circumference of a circle using both the diameter and the radius. It introduces the concept of π as a ratio that relates the circumference to the diameter. This video is part of the 8-part series,...
Brian McLogan
Learn how to solve a simple trig equation
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Solve a trigonometric equation using sum and difference formulas for cosine
👉 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....
TMW Media
Cylinders, Cones and Spheres: Calculating the volume of a cylinder
What is the formula to calculate the volume of a cylinder? Given the radius or diameter and height, how do you calculate the volume of a cylinder? Cylinders, Cones and Spheres, Part 3
Brian McLogan
Find the value of x given a tangent line to a circle
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
FuseSchool
Surface Area of a Cylinder
Surface Area of a Cylinder | Maths | The Fuse School Learn how to work out the surface area of a cylinder in this Maths video from The Fuse School. As part of the Mensuration topic.
TMW Media
Cylinders, Cones and Spheres: Calculating the volume of a cone
What is the formula to calculate the volume of a cone? Given the radius and height, how do you calculate the volume of a cone?
Cylinders, Cones and Spheres, Part 4
Brian McLogan
What is an angle in standard form?
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
Given a point outside a circle and a tangent line determine the length from the point to center
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
TMW Media
Circles And Circular Figures: Calculating the area of a circle
What is the formula to calculate the area of circle? Given the radius or diameter, how do you calculate the area of a circle? Circles And Circular Figures, Part 3
Catalyst University
Identifying Regions of Molecule with Resonance
Identifying Regions of Molecule with Resonance
Physics Girl
Calculating Pi with Darts
Pi can be calculated using a random sample of darts thrown at a square and circle target. The problem with this method lies in attempting to throw "randomly." We explored different ways to overcome our errors. A million thanks to Derek...
TMW Media
Cylinders, Cones and Spheres: Calculating the surface area of a sphere
What is the formula to calculate the surface area of a sphere? Given the radius, how do you calculate the surface area of a sphere?
Cylinders, Cones and Spheres, Part 5
Physics Girl
Calculating Pi with Darts
Can pi be calculated through a game of darts? The video shows why this works mathematically and the issues surrounding the methodology. Once participants overcome errors, success through physics and mathematics leads to celebration.