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...
Brian McLogan
Master finding the focus and directrix of a parabola with vertex at the center
So just like we did in the last video where we wanted to determine the opening, does a graph open up, down, left, or right, that's going to be the first thing we're going to want to do in these problems as well. So, and again, that's all...
Rachel's English
PHRASAL VERB BANG
Start 2017 with the 30-day vocabulary challenge: learn 30 phrasal verbs in 30 days! Day 2: bang out, bang away, bang down, bang into.
Tarver Academy
Getting Numbers Away from the X
In This Episode, Tyler Teaches Us About Getting Numbers Away from the X
Catalyst University
Specific Torsion Test for Lumbar Instability | Rationale & Interpretation
In this video, I explain and demonstrate the specific torsion test, a special test used in the assessment of lumbar rotational instability. More specifically, we cover the hand placement in detail, the testing procedure, and the...
Catalyst University
Posterior Shear Test for Lumbar Instability | Rationale & Interpretation
In this video, I explain and demonstrate the posterior shear test, a special test used in the assessment of lumbar posterior instability. More specifically, we cover the hand placement in detail, the testing procedure, and the...
Brian McLogan
Solving a two step equation with negative variable
👉 Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Brian McLogan
How to apply the inverse of tangent to find the missing values of your triangle
👉 Learn how to find a missing angle 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 gives us the relationship between the angles of a right...
Brian McLogan
Given the hypotenuse of a special right triangle determine the missing values
👉 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...
Curated Video
Trigonometric Identities and Equations
This is a mathematics lecture on trigonometric identities. The presenter explains how to use them to solve trigonometric equations using examples. The video covers the basics of trigonometric ratios, Pythagoras's theorem, and the...
Brian McLogan
What are the reciprocal identities of trigonometric functions
👉 Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...
Brian McLogan
Using law of cosines to find our missing length of a triangle
Learn how to solve for the lengths of the sides and the measures of the angles of a triangle using the law of cosines. The law of cosines is used in determining the lengths of the sides or the measures of the angles of a triangle when no...
Brian McLogan
How to use the FTC to evaluate the integral of a sine
👉 Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as indefinite integral or as a definite...
Brian McLogan
Sum and Difference Formula Evaluate Right Triangles
Sum and Difference Formula Evaluate Right Triangles
Brian McLogan
Evaluate the six trigonometric functions given a right triangle
Evaluate the six trigonometric functions given a right triangle
Brian McLogan
Create the Unit Circle | Do you understand?
Create the Unit Circle | Do you understand?
Brian McLogan
Why special right triangles help use evaluate trig functions
👉 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
Three different ways to define Sine
👉 Learn how to evaluate the six trigonometric functions given a point. When given a point, there are many ways to evaluate the trigonometric functions of the point. The methods include: using the unit circle if the point is a point on...
Brian McLogan
Learn to find the bearing back to port by using trigonometry
👉 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...
Brian McLogan
Evaluating the composition of inverse functions
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Brian McLogan
Evaluate sine cos and tan for a given point on your unit circle
👉 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...
Brian McLogan
Given a coordinate point, evaluate the six trigonometric 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
Evaluate the six trigonometric functions given an trig equation
👉 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
Identify the x intercepts and vertex of an equation in vertex form ex 6, y=(x-4)^2 -4
👉 Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e. in the form y = ax^2 + bx + c) or it...