Brian McLogan
Using your trig and co function identities to evaluate
👉 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
Mistake Students Make Solving Trig Equations
In this video I will highlight what people get wrong when solving trigonometric equations, why they get them wrong and what you can do to improve your understanding. Timestamps: 0:00 Intro 0:25 Mistake #1 0:58 Mistake #2 1:30 How to...
Brian McLogan
Learn How to Take the Inverse of Cosine to Evaluate
👉 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...
Brian McLogan
How to determine the quadrant our constraint leaves us in
👉 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...
Brian McLogan
Solve Trigonometric Equations | Analytic Trig | Pre-Calculus
In this video we will explore how to solve trigonometric equations. We will work on isolating the trigonometric function using inverse operations, factoring and identities. We will then solve on the unit circle, all solutions and...
Brian McLogan
Determine the points of inflections with trig
👉 Learn how to find the points of inflection of a function given the equation or the graph of the function. The points of inflection of a function are the points where the graph of the function changes its concavity. The points of...
Brian McLogan
Where trigonometric identities come from
👉 Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...
Brian McLogan
Determine the unit vector given a vector with angle and magnitude
Determine the unit vector given a vector with angle and magnitude
Brian McLogan
Finding the x and y coordinates for a given point on the unit circle
👉 Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...
Brian McLogan
solving a trigonometric equation with sine
👉 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...
Brian McLogan
Master unit vector in the same direction of another vector with a given magnitude
Master unit vector in the same direction of another vector with a given magnitude
Brian McLogan
Understanding the relationship of polar and rectangular coordinates
Understanding the relationship of polar and rectangular coordinates
Brian McLogan
Finding the point on the unit circle x,y given the real number
👉 Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...
Zach Star
The Mathematics of Signal Processing - The z-transform, discrete signals, and more
This video goes through an overview of what you would learn in a discrete time signals (or digital signal processing) course. Sampling, digital filters, the z-transform, and the applications of these are some of the things included. I...
Brian McLogan
Evaluating the composition of sine and cosine functions
👉 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
Evaluate the six trigonometric functions for the given real number
👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Brian McLogan
Solving trigonometric equations
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Finding the Inverse of the Sine Function
👉 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...
Curated Video
Trig Ratios on the X and Y-Axes: Using Coordinates of the Unit Circle
In this video, the teacher explains how to find the sine, cosine, and tangent of angles on the x and y-axes using coordinates of a unit circle. They also discuss quadrantal angles and the concept of undefined trig ratios.
Brian McLogan
Determine all of the solutions for a trigonometric equation with cosine and tangent
👉 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...
Brian McLogan
What is a a degree
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
How to use a triangle to evaluate the six trig functions for an angle
👉 Learn how to evaluate the six trigonometric functions given a right triangle. A right triangle is a triangle with 90 degrees as one of its angles. A right triangle is made up of two legs, which formed the sides of the 90 degrees angle...
Brian McLogan
Understand where the pythagorean identities come from
👉 Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...