Rachel's English
Mastering Weather Small Talk: Vocabulary and Phrases for Engaging Conversations
In this video, the teacher focuses on weather-related vocabulary and phrases commonly used in small talk conversations in the US. The teacher covers technical terms like Celsius and Fahrenheit, explains the concept of heat index and wind...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Solving Equations 2 - 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 six trigonometric functions from a triangle
👉 Learn how to evaluate the six trigonometric functions given a right triangle. A right triangle is a triangle with 90 degrees as one of its angles. A right triangle is made up of two legs, which formed the sides of the 90 degrees angle...
Curated Video
How to Use and Prove the Pythagorean Theorem
This video teaches the Pythagorean theorem, explaining its proof and how to use it to find missing side lengths of a right triangle. The lesson includes key vocabulary and examples with step-by-step instructions, making it easy to...
JJ Medicine
Gluconeogenesis Pathway: Overview, Enzymes, Co-Factors and Precursors
Gluconeogenesis Pathway lesson: An In-Depth Overview of Required Enzymes, Co-Factors and Precursors. Hey everyone! In this lesson you will learn about the gluconeogenesis pathway, including an in-depth overview of the pathway, where...
Brian McLogan
Given any point evaluate your six trig functions
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Curated Video
Introduction to Vectors, Magnitude, and Direction
The video is a presentation on the introduction to vectors. The presenter explains the concept of vector quantities, which have both magnitude and direction. They discuss the notation of vectors, including column vectors and position...
Coach Dan Blewett
Infield Positioning - Adjusting for Lefties vs Righties in Baseball
Learn how third and first baseman should be shifting based on lefties versus righties. Most baseball players don't know how to do this!
Brian McLogan
Distributive property with a negative one ex3, -(8 - 6c)
👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Brian McLogan
Distributive property with a negative one ex2, -(-5 - 4y)
👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Brian McLogan
How can you remember the three trigonometric ratios sohcahtoa
👉 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...
Brian McLogan
Using special right triangles and trig to find the value of sind 30 degrees
👉 Learn how to evaluate trigonometric functions using the special right triangles. A right triangle is a triangle with 90 degrees as one of its angles. A special right triangle is a right triangle with the angles 30, 60, 90 degrees or...
Brian McLogan
Evaluate the double angle of sine given a triangle
👉 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)...
Brian McLogan
MASTER How to graph a quadratic in standard form using the formula for axis of symmetry and vertex
Welcome, ladies and gentlemen. So what I'd like to do is show you how to graph a quadratic using the equation for a vertex as well as axis of symmetry. Now, I have two functions and I have two equations, and they're basically going to be...
Brian McLogan
MASTER Evaluating the composition of two trig function using the inverse and triangles ex 1
MASTER Evaluating the composition of two trig function using the inverse and triangles ex 1
Brian McLogan
What is synthetic division?
👉 Learn about dividing by synthetic division. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for the unknown, the solution for...
Brian McLogan
How to label the sides and vertex of an angle
Learn all about angles. An angle is a figure formed by two rays sharing a common endpoint. An angle can be classified as acute, right, obtuse, straight or refrex. An acute angle is an angle which measures less than 90 degrees. A right...
Brian McLogan
How to write the equation of a parabola in conic sections, given vertex and directrix
Learn how to write the equation of a parabola given the vertex and the directrix. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared)....
Brian McLogan
Evaluate trig functions using a right triangle and given the sin
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Curated Video
Aviation Illusions: The Peculiar Sensory Phenomenon Pilots Face
Flying a plane comes with its own set of unique sensory illusions. Learn about the cause and effect of some of these illusions, from the Graveyard Spiral to the Black Hole Effect. Illusions part 7/11
Brian McLogan
Solving using the quadratic formula
👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
NASA
Virtual Tour of the Hubble Control Center: Entryway in Lobby
Begin a tour of the Hubble control center in the lobby, where you will learn about the orbiting spacecraft. This is part 1 of 5 of a 360-degree, virtual tour of the Hubble Space Telescope’s home for mission operations, the Space...
Brian McLogan
What does the sine of an angle actually mean
👉 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...
Brian McLogan
How to use special right triangles to find missing lengths
👉 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...