Curated Video
Non-Colinear Resultant Forces: Effects of Multiple Forces at Angles
The video is a lecture on non-colinear resultant forces and how multiple forces acting on an object at angles to one another can affect it. The speaker initially explains collinear forces and how to find the resultant force. They then...
Brian McLogan
Determine the missing variable using the sum of interior angles ex 1
👉 Learn how to solve for an unknown variable in the interior angle of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The...
Curated Video
Classifying Right Triangles
In this lesson, students will learn the concepts of acute, obtuse, and right angles, as well as equilateral, isosceles, and scalene sides. By combining both angles and sides, students will be able to classify different types of right...
Curated Video
Understanding the Domain of Trigonometric Functions: Examining Denominators of Trig Ratios
In this video, students will learn about the domain of the six trigonometric functions by examining the denominators of the trig ratios. They will understand the reciprocal pairs of the trig functions and how they can be rewritten in...
Brian McLogan
How do we determine the relationships of a 45 45 90 triangle
👉 Learn about the special right triangles. A special right triangle is a right triangle having angles of 30, 60, 90, or 45, 45, 90. Knowledge of the ratio of the length of sides of a special right triangle enables us to solve for any...
Brian McLogan
Using trig functions to find the values of a triangle
👉 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...
Brian McLogan
Classify a polygon as concave, convex, regular or irregular ex 1
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Brian McLogan
How to rotate a point 270 degrees counter clockwise
👉 Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also...
Let's Tute
Circle Theorems: 12 Theorems Based on Circles
Circle Theorems part 2/3: The teacher in the video explains and proves 9 out of 12 theorems related to circles, using basic concepts and properties of triangles. The theorems include equal chords of a circle, angles subtended by an arc...
Catalyst University
Drop Arm Sign | Rationale & Interpretation
In this video, we explore the drop arm test, a special test used in the diagnosis of a full-thickness rotator cuff tear. We also touch on its psychometrics including sensitivity and specificity.
Curated Video
GCSE Secondary Maths Age 13-17 - Pythagoras & Trigonometry: Trigonometry - 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...
Curated Video
GCSE Secondary Maths Age 13-17 - Pythagoras & Trigonometry: Trigonometry - 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
Finding the sum and measure of an interior angle for a regular pentagon
👉 Learn how to determine the sum of interior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior angle of a polygon...
Curated Video
Understanding the Relationship between Sine and Cosine Values on the Unit Circle
In this lesson, students will learn about the relationship between sine and cosine values on the unit circle. By studying the coordinates of points on the unit circle, they will discover that certain angles have equal sine and cosine...
Curated Video
Writing and Solving Equations with Complementary and Supplementary Angles
In this video, students learn how to write and solve equations using complementary and supplementary angles. The example of the Leaning Tower of Pisa is used to illustrate the concept, showing how to find the angle at which the tower...
Brian McLogan
Determine the Value of your Variables with Congruent Triangles
👉 Learn how to solve for unknown variables in congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. When one of the values of a pair of congruent sides or angles is unknown and the...
KnowMo
Introduction to the Cosine Function and Trigonometry Ratios
The video explains the basics of trigonometry, the three important ratios (sine, cosine, and tangent) used to calculate side lengths and angles in triangles, and the labeling of right angle triangles. It then focuses on the cosine...
Catalyst University
TherEx | Pectoralis Minor Stretch
In this video, I demonstrate and explain how to perform pectoralis minor stretches, which are useful in conditions such as upper cross posturing, cervical radiculopathies, thoracic outlet syndrome, and more.
Catalyst University
Carpal Tunnel Syndrome | Special Tests | Rationale & Interpretation
In this video, we will explore some common special tests that are used in the diagnosis of Carpal Tunnel Syndrome.
Catalyst University
Yergason's Test | Rationale & Interpretation
In this video, I explain and demonstrate Yergason's test, a special test used in the assessment of bicipital tendonopathies and SLAP tears of the shoulder.
Brian McLogan
What is an obtuse triangle
👉 Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Curated Video
Trigonometric Graphs: Finding Multiple Solutions and Extending the Range
In this video, the presenter teaches how to use trigonometric graphs to find multiple solutions and extend the graphs beyond 0 and 360 degrees. The presenter gives two examples, one to find cos 295 degrees in terms of a trigonometric...
Brian McLogan
Determine the relationship between two angles
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles,...
Curated Video
Investigating Refractive Index with Light and Glass Block
The video demonstrates how to investigate the refractive index of a material by measuring the angle of incidence and refraction of light as it passes through a block of glass. The narrator explains the concept of refraction and shows how...