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
Trigonometry | Preparing for Precalculus Part 6
Trigonometry | Preparing for Precalculus Part 6
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...
Curated Video
Finding the Additive Inverse of a Number Using Equations
In this lesson, students will learn how to find the additive inverse of a number without using a number line. Through the use of equations, they will understand how to rewrite expressions and equations to find the inverse.
Flipping Physics
Simple Pendulum - Simple Harmonic Motion Derivation using Calculus
Calculus is used to derive the simple harmonic motion equations for a simple pendulum. Equations derived are position, velocity, and acceleration as a function of time, angular frequency, and period. This is an AP Physics C: Mechanics...
Brian McLogan
How to determine the slope and y intercept from an equation in standard form
👉 Learn how to graph linear equations written in standard form. When given a linear equation in standard form, to graph the equation, we first rewrite the linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is...
Brian McLogan
What is sohcahtoa
👉 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 determine the missing value of a triangle using sine
👉 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
Learning to write the inverse of a conditional statement
👉 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
Trigonometry: Finding Missing Sides and Angles with the "SohCahToa" Trick
This video teaches the basics of trigonometry and how to use it to find missing lengths and angles in a triangle. The presenter explains the three trig functions (sine, cosine, and tangent) and offers memory aids to remember them. The...
Brian McLogan
When given the focus and directrix learn how to write the equation of a parabola
Learn how to write the equation of a parabola given the focus 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
Graphing a parabola with multiple transformations horizontal and vertical
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
Word Problems with trigonometry and triangles
👉 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
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...
Brian McLogan
Find the angle of depression 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...
Curated Video
Writing Equations of Parallel and Perpendicular Lines
In this video lesson we will learn how to identify if two lines are parallel and if two lines are perpendicular to each other. We will discover that parallel lines have the same slope. We will learn that perpendicular lines have slopes...
Brian McLogan
Master Solving word problems using right triangle trigonometry
Master Solving word problems using right triangle trigonometry
Brian McLogan
How to divide polynomials using synthetic division
👉 Learn about dividing by synthetic division when there is a missing power. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for...