Instructional Video1:51
Brian McLogan

Given an angle bisector find the missing length of similar triangles

12th - Higher Ed
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Instructional Video1:38
Brian McLogan

What is an obtuse triangle

12th - Higher Ed
👉 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...
Instructional Video2:23
Brian McLogan

Apply the Pythagorean theorem to find the missing length ex 3

12th - Higher Ed
👉 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...
Instructional Video3:31
Brian McLogan

What are the formulas for the measure of angles outside of a circle

12th - Higher Ed
Learn the essential definitions of the parts of a circle. A secant line to a circle is a line that crosses exactly two points on the circle while a tangent line to a circle is a line that touches exactly one point on the circle. A chord...
Instructional Video3:30
KnowMo

Constructing Bisectors and Locating Points

12th - Higher Ed
The video is a tutorial on how to construct bisectors, loci, and identify regions in geometry. The presenter explains the steps to construct a perpendicular bisector with a compass and ruler, as well as how to bisect an angle. The video...
Instructional Video5:58
Curated Video

Trigonometric Graphs: Finding Multiple Solutions and Extending the Range

Higher Ed
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...
Instructional Video7:17
Tarver Academy

Finding the Area of Hexagons, Heptagons, and Octagons (Tarver Academy Math)

12th - Higher Ed
In This Episode, Tyler Teaches Us About Finding the Area of Hexagons, Heptagons, and Octagons (Tarver Academy Math)
Instructional Video5:05
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Parallel Lines with angles - Explained

9th - 12th
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...
Instructional Video11:52
Looking Glass Universe

The Born Rule

12th - Higher Ed
In this video, the Debroy Hypothesis is explored, shedding light on the wave-particle duality of matter and the equation used to determine particle wavelength. The discussion delves into interpreting the hypothesis precisely, leading to...
Instructional Video3:27
Brian McLogan

What are the trigonometric definitions of a right triangle

12th - Higher Ed
👉 Learn all about the trigonometry of right triangles. 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 right...
Instructional Video7:25
Brian McLogan

What are the points on a unit circle in terms of 30 degrees

12th - Higher Ed
👉 Learn about the points on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
Instructional Video2:58
Brian McLogan

Word Problems with trigonometry and triangles

12th - Higher Ed
👉 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...
Instructional Video4:24
Brian McLogan

Evaluate the six trigonometric functions for the given real number

12th - Higher Ed
👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Instructional Video2:35
Brian McLogan

Algebra 2 - How to Solve a Trigonometric Equation Using the Double Angle Formula

12th - Higher Ed
👉 Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Instructional Video2:12
Brian McLogan

Evaluate the double angle of sine from a triangle

12th - Higher Ed
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Instructional Video2:53
Brian McLogan

Solving trigonometric equations with multiple angles

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...