The Learning Depot
Adjective Clauses: An Adjective Clause is a Part of Speech Classed as an Adjective
An adjective clause, also known as an adjectival, or relative clause is a dependent clause that modifies a noun or a pronoun. In effect, this clause functions as one part of speech: the adjective. Adjective clauses will always begin with...
SciShow
Editing Genes Inside the Human Body
We talk a lot about CRISPR and "designer babies" but the science of editing genes is varied and complex. This month, an adult man received billions of gene-editing viruses via an IV in an effort to treat a rare disease.
Curated Video
Using Circle Theorems: Focus on the Chord Bisector
This video is a lecture presentation on using circle theorems, with a focus on the chord bisector O. The presenter explains how a circle can be split into two segments by a chord, and how the perpendicular from the center to the chord...
Prime Coaching Sport
Kicking - (Soccer) Half volleys into the goal
Individual soccer & football skills - Half volleys into the goal
Brian McLogan
The intro to the trig functions for points on the unit circle
👉 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...
Brian McLogan
What are the points on a unit circle by 45 degrees
👉 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...
FuseSchool
Equation Of A Tangent To A Circle
The equation of a circle is (x - a)^2 + (y - b)^2 = r^2, where (a, b) is the centre of the circle and r is the radius. The coordinates of the centre point (a, b) are in the brackets with the x and y, but you just need to remember to...
Brian McLogan
Find the equation of a circle given the center and line tangent to the circle
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
FuseSchool
Equation Of A Circle
In this video we discover the equation of a circle, thanks to how it looks on a graph. The equation of a circle is (x - a)^2 + (y - b)^2 = r^2, where (a, b) is the centre of the circle and r is the radius. The coordinates of the centre...
Brian McLogan
How to solve for x when given two tangent lines 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...
Brian McLogan
Master how to determine the center and radius given the equation of a circle
Master how to determine the center and radius given the equation of a circle
Curated Video
VERY HARD South Korean Geometry Problem (CSAT Exam)
Thanks to Hyeong-jun (H. J.) for emailing me this problem! This is a challenging problem from the math section of the 1997 CSAT, a standardized test in South Korea. Can you figure it out? It took me several attempts, but it was really...
Cerebellum
Geometry, Volume and Coordinates.
This video covers exam strategy, Geometry, Volume, Coordinates, Slope Questions. This is part 15 from the series 'Introduction to the Math Section of the SAT'.
Curated Video
GCSE Maths - Using Ratios to Find the Coordinates of a Point On a Line #73
This video explains how to find the coordinates of a point that lies a certain ratio along a line, e.g. "If A is (3, 4) and B is (-7, 8), and C lies somewhere on the line AB such that AC : CB is 3 : 1, what are the coordinates of C?". We...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Graphs and Transformations - 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
Learn How to Evaluate the Inverse of Cotangent Using the Unit Circle
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
3Blue1Brown
All possible pythagorean triples, visualized
There are a few special right triangles many of us learn about in school, like the 3-4-5 triangle or the 5-12-13 triangle. Is there a way to understand all triplets of numbers (a, b, c) that satisfy a^2 + b^2 = c^2? There is! And it uses...
Brian McLogan
How to evaluate sum of two angles using the sum formula for sine
👉 Learn how to evaluate the sine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
Evaluate for the sine of an angle using the sum of two angles
👉 Learn all about sum and difference angle identities. In this video playlist, you will learn how to evaluate, solve, simplify and verify using sum and difference angle identities. We will evaluate using angles not found on the unit...
Brian McLogan
How to Graph an Angle in Terms of PI
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Brian McLogan
Determine the Measure of an Angle in Radians
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Brian McLogan
How to solve a equation using difference of two angles
👉 Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Extra Credits
The History of Non-Euclidian Geometry - Squaring the Circle - Extra History - #3
Euclidean geometry eventually found its way back into Europe, inspiring René Descartes to create the Cartesian coordinate system for maps, and Isaac Newton to invent calculus. Both these tools helped humanity understand the world better....
Brian McLogan
How to Graph an Angle in Terms of PI in Standard Form
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...