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
π 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
Solving using the quadratic formula
π 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 Telescopeβs home for mission operations, the Space...
Brian McLogan
What does the sine of an angle actually mean
π 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
π 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...
Brian McLogan
Given the long leg of a special right triangle determine the missing lengths
π 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...
Brian McLogan
How to determine the inverse of a conditional statement
π Learn how to find the inverse of a statement. The inverse of a statement is the negation of the hypothesis and the conclusion of a conditional statement. If the hypothesis of a statement is represented by p and the conclusion is...
KnowMo
Advanced Geometry: Parallelograms, Trapeziums, and Triangles
The video explains how to calculate the area of more complex shapes such as parallelograms, trapeziums, and triangles using different formulas and techniques. The speaker provides clear explanations and visual aids to help viewers...
Brian McLogan
How to determine the length of a triangle using the sine function
π 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
Learn how to graph the equation of a circle when center is not at the origin
Learn how to graph the equation of a circle in standard form. When graphing a circle you in standard form we will first need to identify the center which is (h,k) and then use the radius to find the other points on the circle. On a graph...
Brian McLogan
Evaluate the difference for two angles for sine from a triangle
Learn how to evaluate the sine of an angle in degrees 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
Finding the axis of symmetry of an equation in general form
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...
Brian McLogan
What are the transformations of the absolute value equation
π Learn about graphing absolute value equations. An absolute value equation is an equation having the absolute value sign and the value of the equation is always positive. The graph of the parent function of an absolute value equation is...
Brian McLogan
How to graph an ellipse & determine important characteristics
Learn how to graph horizontal ellipse not centered at the origin. A horizontal ellipse is an ellipse which major axis is horizontal. To graph a horizontal ellipse, we first identify some of the properties of the ellipse including the...
Brian McLogan
How to find the focus and directrix of a parabola with the vertex not at the center with
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Brian McLogan
Learn to Determine If a Function is Odd Een or Neither
π Learn how to determine if a function is even or odd. A function is even if the graph of the function is symmetrical about the y-axis, or a function is even if f(x) = f(-x). A function is odd if the graph of the function is symmetrical...
Brian McLogan
Given a point find the six trigonometric functions of the angle
π 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 composition of inverse functions trigonometry
π 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
Evaluating six trigonometric functions of a right triangle
π 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
Evaluate your six trigonometric functions when given a point not on the unit circle
In this video series I show you how to evaluate your trigonometric functions for any angle. When we have a point that is not on the unit circle we create a triangle to help us evaluate our trig functions and then create a right triangle...
Curated Video
Understanding Opposites and Making 0 on a Number Line
This video teaches students that positive numbers represent moving to the right or up, while negative numbers represent moving to the left or down on a number line. The video provides real-life examples, such as walking to school and...
Curated Video
Identifying and Using Adjacent and Vertical Angles
In this video lesson, you will discover how to identify adjacent and vertical angles. We will also learn about the relationship between adjacent angles and how to find a missing adjacent angle. We will discuss the relationship between...