Brian McLogan
Learn how to use period as an aide to evaluate sine for a negative angle
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Brian McLogan
how to factor a quadratic with three terms using a box
👉Learn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to get...
The March of Time
1952: THE CANDIDATES: MS News anchor David Brinkley (1920-2003) sitting at left end of conference table, SOT saying delighted to bring leading candidates, WS Candidates sitting at table w/ Lief Eid on right end. Asking if they support compulsory FEPC
MOT 1952: THE CANDIDATES: MS News anchor David Brinkley (1920-2003) sitting at left end of conference table, SOT saying delighted to bring leading candidates, WS Candidates sitting at table w/ Lief Eid on right end. Asking if they...
Intelligence Squared
South America could be the superpower of the 21st Century
Jonathan Freedland will be speaking at the IQ2 event "South America will be the 21st century's superpower" Jonathan Freedland - IQ2 highlights.mp4
Let's Tute
IELTS Speaking: How to Start and End Your Answers in English Speaking Tests
The video is a tutorial on how to start and end answers in English speaking tests. She provides five different situations and phrases to use in each situation, such as starting with "that's a nice question" when you know the answer, or...
Brian McLogan
How to factor any integer
👉 Learn how to factor a number, variable, and monomial completely. To factor means to write our term as a product of its factors. Therefore we will learn how to break down a number, variable, and monomial into its factors.
Brian McLogan
Evaluate six trig functions given an equation and creating a right triangle
👉 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...
Brian McLogan
Pre-Calculus - How to find the exact value by using the sum of two angles formula with cosine
👉 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...
Brian McLogan
Evaluate cosine of an angle using the difference of two angles formula
👉 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...
Brian McLogan
Learn how to divide functions, rational
👉 Learn how to divide two functions. We will explore the division of linear, quadratic, rational, and radical functions. To divide two functions, we simply algebraically divide the rules (contents) of the two functions. We will then...
Brian McLogan
Solving a quadratic by solving using the difference of two squares
👉Learn how to solve quadratic equations by factoring the difference of two squares. We can identify the difference of two squares but looking for binomials that have square terms. Difference of two square quadratic equations is of the...
Brian McLogan
Learn how to mentally factor a trinomial and solve the quadratic equation
we find two factors of the product of the constant term (the term with no variable) and the coefficient of the squared variable whose sum gives the linear term. These factors are now placed in separate brackets with x to form the factors...
Brian McLogan
Find end behavior of a factored polynomial using limits
👉 Learn how to determine the end behavior of the graph of a factored polynomial function. To do this we will first need to make sure we have a polynomial in standard form (i.e. we will expand all factored terms) with descending powers....
Rachel's English
English Conversation: Pizza with Dave
Improve your American Accent / spoken English at Rachel's English with video-based lessons and exercises. Rachel uses real life English conversation as the basis for teaching how to speak English and how to sound American -- improve...
Amphio
Jonathan Del Mar's score edition
Sir John Eliot Gardiner talks about his excitement to hear about Johnathan Del Mar's score edition of Beethoven's Ninth and what that changed for him.
Brian McLogan
Using similar triangles to find the measure of x
👉 Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a line is parallel to one side of a...
Brian McLogan
How to find the missing length of an isosceles trapazoid
👉 Learn how to solve problems with trapezoids. A trapezoid is a four-sided shape (quadrilateral) such that one pair of opposite sides are parallel. Some of the properties of trapezoids are: one pair of opposite sides are parallel, etc. A...
Brian McLogan
Verifying an identity by using the quotient and reciprocal identities
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term on the left hand side of the equality sign is equal to the term on the right hand side. To...
Brian McLogan
Learn how to factor a trinomial using a perfect square trinomial method
👉Learn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to get...
Curated Video
Hot Takes for IELTS Speaking - IELTS Energy Podcast 1183
It is a guarantee that you will need to share your opinion on IELTS so be ready to do it with interesting vocabulary! Today we share native, natural phrases for sharing unpopular opinions.
Brian McLogan
Expand a binomial to the fifth power
👉 Learn how to expand a binomial using binomial expansion. A binomial expression is an algebraic expression with two terms. When a binomial expression is raised to a positive integer exponent, we usually use the binomial expansion...
Brian McLogan
Learn how to graph a parabola and identify the focus and directrix vertex at the center
Want more math video lessons? Visit my website to view all of my math videos organized by course, chapter and section. The purpose of posting my free video tutorials is to not only help students learn math but allow teachers the...
Curated Video
Sample IELTS Task 2 Brainstorm Health and Government
Today you’ll get an example of a specific and strong brainstorm for a challenging Task 2 question.