Brian McLogan
Create the Unit Circle | Do you understand?
Create the Unit Circle | Do you understand?
Brian McLogan
Convert an angle from degrees to radians
π Learn how to convert angles from degrees to radians. Recall that pi radians are equivalent to 180 degrees. Thus, when given an angle in degrees, to convert the angle to radians we multiply the given angle radians by the ratio pi/180....
Brian McLogan
How to evaluate for the secant of an angle without using a calculator
π 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
Master Verifying an identity using the double angle formulas
Master Verifying an identity using the double angle formulas
Brian McLogan
Master labeling vertical angles from a figure
Master labeling vertical angles from a figure
Curated Video
Solving Inequalities Using Multiplication or Division
In this video lesson we will apply the Properties of Inequality using Multiplication and Division. We will discover that when you multiply or divide both sides of an inequality by the same POSITIVE value the result is an equivalent...
Curated Video
Generating Equivalent Fractions Using The Number Line
Generate equivalent fractions using the number line and equations.
Math Fortress
Calculus III: Two Dimensional Vectors (Level 1 of 13)
This video is a review of Two Dimensional Vectors. This video goes over the basic concepts and terminology of vectors in a plane. Topics include: Vectors, Magnitude of a Vector, Equivalent Vectors, and Vector Notation. This video also...
Brian McLogan
Review I still don't get it. Two step equations
π Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...
Curated Video
Spider Senses
This video provides an overview of the anatomy and feeding habits of spiders. It explains how spiders rely on their eyesight, bristles, and chemical senses to hunt for prey. The video also discusses the structure of a spider's body,...
Brian McLogan
How to use and understand cofunction identities
π Learn how to evaluate trigonometric functions using trigonometric identities. Trigonometric identities are equalities that involve trigonometric functions. We will focus on the cofunction identities and even-odd identities. The...
Brian McLogan
Convert an angle from radian to degrees
π Learn how to convert angles from radians to degrees. Recall that pi radians is equivalent to 180 degrees. Thus, when given an angle in radians, to convert the angle to degrees we multiply the given angle radians by the ratio 180/pi.
Brian McLogan
Math tutorial for converting an angle from decimal form to DMS form
π Learn how to convert angles from decimal forms to DMS forms. DMS means Degree, Minutes, and Seconds. Minutes is represented by a single apostrophe (') while seconds is represented with double apostrophe ("). 60 seconds = 1 minute and...
Brian McLogan
How to write a verbal expression from an algebraic expression
π Learn how to write an algebraic expression from verbal sentence as well as writing out a sentence from a algebraic expression. To do this we need to know what words we use to express operations such as addition, multiplication,...
Curated Video
Measuring Insects (Represent decimals using the number line and equivalent fractions)
A class has to measure the insects they are observing. They find that a worm is six tenths inches long and a centipede is one and four tenths inches long. How can we represent these lengths as decimals?
Curated Video
Comparison Using Benchmark Fractions
Using βBenchmarkβ fractions to compare fractions.
Curated Video
Proportions
In this video lesson we will learn how to write and solve a proportion. We will use a proportion to determine if two ratios are equal. We will learn that if two ratios form a proportion there is a proportional relationship. We will solve...
Curated Video
How to Write a Fraction as a Decimal
In this video lesson we will learn how to interpret a fraction as division. We will discover that a fraction can be written as the numerator divided by the denominator. We will perform long division to determine the decimal equivalent to...
Curated Video
Generating Equivalent Fractions Using Area Models
Generate equivalent fractions using area models and equations.
Brian McLogan
Watch me complete the unit circle
π Learn about the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle intersects the x-...
Brian McLogan
Math tutorial for converting an angle from DMS form to decimal degree form
π Learn how to convert angles from DMS forms to decimal forms. DMS means Degree, Minutes, and Seconds. Minutes is represented by a single apostrophe (') while seconds is represented with double apostrophe ("). 60 seconds = 1 minute and...
Brian McLogan
Learn how to write an angle in decimal form to DMS form
π Learn how to convert angles from decimal forms to DMS forms. DMS means Degree, Minutes, and Seconds. Minutes is represented by a single apostrophe (') while seconds is represented with double apostrophe ("). 60 seconds = 1 minute and...
Brian McLogan
Factoring a trigonometric expression
π Learn how to simplify identities by factoring. Just like in normal algebraic expressions, trigonometric identities can be simplified by factoring out the GCFs from the terms of the identities, then common trigonometric identities like...
Brian McLogan
Master how to find two coterminal angles 1 positive 1 negative
Master how to find two coterminal angles 1 positive 1 negative