Brian McLogan
How to understand reflections of polar points
How to understand reflections of polar points
Virtually Passed
Derivation of Pendulum equations method 3
Derivation of Pendulum equations method 3
Brian McLogan
When given a point, how to find the triangle to evaluate for the 6 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...
Brian McLogan
How to use the pythagorean identity to simplify an expression
👉 Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Virtually Passed
Optimal path to rescue friend - Math Puzzle
Your friend starts moving in a line with a speed u. You arrive T seconds later and can drive after him in whatever path you like with a speed v. What path guarantees you intersect his position? Timestamps: 0:00 - Introduction & Question...
Flipping Physics
Introductory Static Friction on an Incline Problem
A book is resting on a board. One end of the board is slowly raised. The book starts to slide when the incline angle is 15°. What is the coefficient of static friction between the book and the incline?
TMW Media
Kinetic Energy And The Work - Energy Theorem: Solving another problem
Given certain parameters, how would you solve this problem? Kinetic Energy And The Work - Energy Theorem, Part 5
Catalyst University
Introduction to the Rigid Rotor Model: Wavefunction? Energy?
Introduction to the Rigid Rotor Model: Wavefunction? Energy?
Virtually Passed
projectile with drag part 1
What is the equation of motion of a particle that has a drag force acting on it? It's important to note that we've assumed that the drag force is proportional to the velocity at all times. In reality, other factors are involved too like...
Flipping Physics
Introductory Kinetic Friction on an Incline Problem
You place a book on a 14° incline and then let go of the book. If the book takes 2.05 seconds to travel 0.78 meters, what is the coefficient of kinetic friction between the book and the incline?
Curated Video
Graphing Sinusoidal Functions: Observing the Unit Circle and Plotting Points
In this video, students will learn how to graph sinusoidal functions by plotting points and observing the terminal ray of the unit circle. They will understand the patterns and periodicity of the sine and cosine functions, and how to...
Brian McLogan
Given an angle and constraint find the six trig functions of the angle
👉 Learn how to evaluate the six trigonometric functions given some constraints. When given the value of one trigonometric function, we can use a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the...
Brian McLogan
Given a point learn how to evaluate the six trig functions with reference angle
👉 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...
Brian McLogan
Evaluating the six trigonometric functions given a right 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...
Brian McLogan
Learn how to find the angle between two vectors
Learn how to determine the angle between two vectors. To determine the angle between two vectors you will need to know how to find the magnitude, dot product and inverse cosine. Then, the angle between two vectors is given by the inverse...
Virtually Passed
velocity of center of wheel under pure role
If a disk/ wheel is rolling across a floor without slipping then the velocity of the centroid of the disk will have a velocity V_0 = Rw.
TMW Media
Projectile Motion: Solving another problem
Given certain parameters, how would you solve this other problem? Projectile Motion, Part 5
Brian McLogan
Evaluate your six trig functions when given cotangent and a constraint on cosine
👉 Learn how to evaluate the six trigonometric functions given some constraints. When given the value of one trigonometric function, we can use a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the...
Brian McLogan
Evaluating Inverse Trigonometric Functions
👉 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...
Brian McLogan
How to write an equation from polar form to rectangular form
Learn how to convert between rectangular and polar equations. A rectangular equation is an equation having the variables x and y which can be graphed in the rectangular cartesian plane. A polar equation is an equation defining an...
Physics Girl
Trig Review for Physics - Common Math Tools - Physics 101, AP Physics 1 Review with Physics Girl
Exercises in this video: Problem 1: 1. You are running north-east at a speed of 4 m/s. What component of your velocity is north? How about east? Problem 2: You are kite-surfing and your kite is pulling you upwards at an angle of 60º with...
Brian McLogan
How to find the direction of the vector
Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The magnitude of a vector is obtained by taking the square root of the sum of the squares of the components of the...
Virtually Passed
Friction simple problem
Will block 1 slide down the hill? What is the inequality that needs to be satisfied?
Brian McLogan
Sketch a triangle given a trig angle then determine remaining trig functions of angle
👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...