Brian McLogan
Find the value of sine of my given triangle
👉 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 the Converse Hinge Theorem to Compare Angles
👉 Learn about congruent triangles theorems. Two or more triangles are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods include: (1)...
Brian McLogan
Dividing two positive numbers, 20 / 4
👉 In this video series you will learn how to divide integers. We will discuss basic division and then move to division using long division. Integers will be single digit as well as multi-digit problems. When a number the divisor does not...
KnowMo
Introduction to the Sine Function in Trigonometry
This video provides an introduction to the sine function and its importance in trigonometry. The video discusses how the sine function is used to calculate the ratios of lengths and angles in triangles, and introduces the key terms of...
Brian McLogan
Learn how to evaluate the three trig functions given a trig equation and constraint
👉 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
Graphing exponential functions with horizontal and vertical transformations
👉 Learn how to graph exponential functions involving vertical shift. An exponential function is a function that increases rapidly as the value of x increases. To graph an exponential function, it is usually very useful to make the table...
Curated Video
Identify Properties of Right Triangles
This video describes the unique properties of right triangles. It explains that every right triangle has one right angle, two legs, and one hypotenuse. It also emphasizes that the size and orientation of right triangles can vary, but...
Brainwaves Video Anthology
Jonathan L. Walton - Faith in Uncertain Times
Social ethicist and scholar of American religions Jonathan L. Walton joined the faculty of Harvard Divinity School in July 2010 and President Drew Faust appointed him Plummer Professor of Christian Morals and Pusey Minister in Harvard’s...
Brian McLogan
What is the tangent function
👉 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 the tangent function to find the missing opposite side of a triangle
👉 Learn how to find a missing side length 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 give us the relationship between the angles of a...
Brian McLogan
How to find the missing side of a triangle using cosine
👉 Learn how to find a missing side length 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 give us the relationship between the angles of a...
Brian McLogan
How to determine where the opposite leg is on a triangle
👉 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 apply sine to find the missing side of a triangle
👉 Learn how to find a missing side length 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 give us the relationship between the angles of a...
Brian McLogan
Multiplying two numbers both negative, -4 . (-2)
👉 You will learn how to multiply integers from one digit to multiple digits. When multiplying it is important to understand that multiplication is just repeated addition. However with multi-digit numbers we will follow a step by step...
Brian McLogan
How to find the find the focus and directrix from a sideways parabola with fractions
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
Determine If a Function is Odd Even or Neither
👉 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
How to find the height of a tree given the angle of elevation
👉 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
How to evaluate for sine of 60 degrees using special right triangles
👉 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
Transformations of trigonometric graphs
👉 Learn the basics of graphing trigonometric functions. The graphs of trigonometric functions are cyclical graphs which repeats itself for every period. To graph the parent graph of a trigonometric function, we first identify the...
Brian McLogan
Use two triangles to evaluate the tangent sum formula
👉 Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
Curated Video
Recognizing Attributes and Shapes
In this video, students will learn how to recognize attributes and shapes by comparing them. They will explore the concept of quadrilaterals and identify shapes that have four sides. They will also learn about parallel sides and how to...
Brian McLogan
Teacher explains the components of vertex form What is everything
👉 Learn how to graph quadratic equations by completing the square. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which...
Brian McLogan
Identify x intercepts and vertex of a quadratic with fractions ex 8, y=-2(x+(9/2))^2 +1/4
👉 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...