Instructional Video3:23
Brian McLogan

What do you need to know to write an equation in slope intercept form

12th - Higher Ed
👉 Learn how to write the equation of a line given points, slopes and intercepts. We will work on writing the equation of a line in slope intercept form and standard form as well as writing the equation of a line parallela and...
Instructional Video4:00
Brian McLogan

Pre-Calculus - Using the difference of angles for cosine to evaluate for an angle cos(225-30)

12th - Higher Ed
👉 Learn how to evaluate the cosine of an angle in radians 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...
Instructional Video2:03
Brian McLogan

How to evaluate the composition of tangent inverse and cotangent

12th - Higher Ed
👉 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,...
Instructional Video2:06
Brian McLogan

Evaluate the Inverse of the Sine Function

12th - Higher Ed
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Instructional Video3:25
Brian McLogan

Learn how to evaluate for the secant of - 150 degrees

12th - Higher Ed
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Instructional Video12:09
Brian McLogan

Extrema and zeros from a graph

12th - Higher Ed
Extrema and zeros from a graph
Instructional Video28:29
Brian McLogan

4f Warm up

12th - Higher Ed
4f Warm up
Instructional Video10:31
Brian McLogan

Master how to determine the domain and range from a graph

12th - Higher Ed
Master how to determine the domain and range from a graph. Timestamps: 0:00 Intro 0:22 Graph #1 4:45 Graph #2 6:47 Graph #3 8:10 Graph #4 Corrections 9:36 Made a mistake in the inequalities. It should be 0 is greater than or equal to y,...
Instructional Video4:37
Brian McLogan

Evaluate the limit for from the graph of a continuous function

12th - Higher Ed
👉 Learn how to evaluate the limit of a function from the graph of the function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. When...
Instructional Video3:41
Brian McLogan

How to solve an equation with the multiple angle of secant

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video3:48
Brian McLogan

How to evaluate for the composition of the tangent and cosine

12th - Higher Ed
👉 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,...
Instructional Video4:25
Brian McLogan

Evaluate your point using period as an aide - free math help

12th - Higher Ed
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Instructional Video1:02
Brian McLogan

Find the coordinate point of the given angle

12th - Higher Ed
👉 Learn all about evaluating trigonometric functions using the unit circle. In this playlist, we will learn how to evaluate sine, cosine, tangent, cotangent, cosecant, and secant by using our understanding of the unit circle. We will...
Instructional Video2:15
Brian McLogan

Evaluate Sine given an angle where the terminal side is on the y axis

12th - Higher Ed
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Instructional Video5:44
Brian McLogan

Learn how to write all of the solutions to a trigonometric equation

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video3:05
Brian McLogan

Master Determining if a Mapping is a Function or Not

12th - Higher Ed
Master Determining if a Mapping is a Function or Not
Instructional Video3:26
Brian McLogan

Write the equation of a line given the slope and a point that the line runs through

12th - Higher Ed
👉 Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Instructional Video6:32
Curated Video

Using Circle Theorems: Angle and Semicircle as a Right Angle

Higher Ed
The video is a lecture presentation on the usage of circle theorems, focusing on angles and semicircles being a right angle. The instructor explains how to apply the theorem to find the gradient of lines on the circle, how to prove the...
Instructional Video2:06
Brian McLogan

Determine your quadrant when given constaints on sine and cosine

12th - Higher Ed
👉 Learn how to determine the quadrant given the constraint. The plane is divided into four equal parts called the quadrants with the region between the positive x-axis and the positive y-axis called the 1st quadrant having angles 0 to 90...
Instructional Video4:14
Brian McLogan

How to solve a trig equation by factoring with tangent and cosine

12th - Higher Ed
👉 Learn how to solve trigonometric equations by factoring out the GCF. When solving trigonometric equations involving the multiples of the same trigonometric function. It is very useful to collect similar trigonometric functions together...
Instructional Video4:59
Brian McLogan

Master Evaluate the six trigonometric functions using the unit circle

12th - Higher Ed
Master Evaluate the six trigonometric functions using the unit circle
Instructional Video2:26
Brian McLogan

Learn to evaluate for the secant of an angle without using a triangle

12th - Higher Ed
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Instructional Video9:28
Brian McLogan

Solving an equation with multi angles

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video7:39
Brian McLogan

Overview of inverses

12th - Higher Ed
👉 Learn how to find the inverse of a linear function. A linear function is a function whose highest exponent in the variable(s) is 1. The inverse of a function is a function that reverses the "effect" of the original function. One...