Instructional Video8:12
Curated Video

Reciprocal and Quotient Identities (Basic Trigonometric Identities)

6th - Higher Ed
In this video, we are going to derive basic reciprocal and quotient identities, and then we will use those identities to simplify expressions.
Instructional Video9:04
Curated Video

Unit Circle 4 - Evaluating Trig Functions

6th - Higher Ed
How to find exact value of trig functions with the unit circle. In the last of 4 videos, we look at how we can use our newly derived unit circle to quickly evaluate trigonometric functions. We will learn how to evaluate all six...
Instructional Video5:52
Curated Video

Solve Trig Equation with Unit Circle (4 examples)

6th - Higher Ed
How do I solve trig equations using the unit circle? Sometimes, we can solve sine and cosine equations without a calculator. To do this, we just have to reference the unit circle. This video solve four examples.
Instructional Video8:25
Curated Video

Complex Numbers in Polar Form

6th - Higher Ed
How do you write complex numbers in polar form? If they are in polar form, how do you rewrite them in argand or rectangular form? This video includes step by step instructions for converting complex values back and forth between these...
Instructional Video8:00
Curated Video

How to Graph Sine and Cosine

6th - Higher Ed
How do I graph sin and cos? In this video, we use the unit circle to derive the graphs for sine and cosine. These periodic functions are very similar, but there are some slight differences.
Instructional Video4:18
Curated Video

Solve Quadratic Trig Equations

6th - Higher Ed
How do you solve trig equations that have something squared in them? In this video I show how to use a U-substitution to rewrite trigonometric equations as quadratics, which makes them easier to solve. We use the unit circle to solve...
Instructional Video8:31
Curated Video

Solve Trig Equations Non-Unit Circle Values (using a calculator)

6th - Higher Ed
How do you solve trig equations with the values are not on the unit circle? When your solving results in decimals, you can the inverse trig function in the calculator to find the solution. Then, use reference angles to find he other...
Instructional Video12:11
Brian McLogan

Remember your Formulas

12th - Higher Ed
If you have a test or quiz coming up and are worried you will not remember all of your formulas then use this video to help you remember exactly what you need to know: <b<br/>r/>

Instructional Video4:49
Brian McLogan

Solve this equation without a calculator

12th - Higher Ed
In this video we are going to explore how to evaluate using the unit circle without a calculator
Instructional Video4:30
Brian McLogan

If you know your identities then you can solve

12th - Higher Ed
In this video I will show you how to use trig identities to help you solve a trigonometric equation.
Instructional Video6:47
Brian McLogan

Step-by-step Guide To Evaluating The Six Trig Functions For Any Given Angle

12th - Higher Ed
In this video we are going to focus on evaluating the six trigonometric functions using the unit circle



⭐️ Evaluating Trigonometric Expressions: A Practice Worksheet -...
Instructional Video4:27
Brian McLogan

Understand evaluating Sine Cosine Tangent Using the Unit Circle

12th - Higher Ed
When you need to understand evaluating functions sine cosine and tangent the unit circle can be your best friend.



⭐️ Step-by-step Guide To Evaluating The Six Trig Functions For Any Given Angle -...
Instructional Video5:43
Brian McLogan

Evaluate Trig Functions With a Really Big Angle

12th - Higher Ed
In this video I am going to show you how to evaluate the six trigonometric functions when you have a really big angle. We will evaluate sine, cosine, tangent, secant, cosecant, cotangent.



⭐️ Evaluating Trigonometric...
Instructional Video6:00
Curated Video

Trigonometry and the Unit Circle

K - 8th
This video will explain trigonometric functions and how to use them with the unit circle.
Instructional Video10:29
Math Fortress

Calculus III: Two Dimensional Vectors (Level 9 of 13)

12th - Higher Ed
This video is a review of Two Dimensional Vectors. This video goes over unit vectors, standard unit vectors and direction of vectors.
Instructional Video3:01
Curated Video

Finding Trigonometric Coordinates for the 45-Degree Angle on the Unit Circle

K - 5th
In this video, students learn how to find the coordinates of the 45-degree angle on the unit circle by using properties of special right triangles. The video explains the concept of isosceles right triangles and how they relate to the...
Instructional Video6:02
Brian McLogan

What is the formula for component form of a vector

12th - Higher Ed
in this video series I will show you how to find the angle of a vector when given in component form or as a linear combination. To understand the direction of a vector it is important to go back to the unit circle and determine how we...
Instructional Video4:20
Brian McLogan

Given a point find the six trigonometric functions of the angle

12th - Higher Ed
In this video series I show you how to evaluate the six trigonometric functions when given a point. We do this by creating a right triangle and finding the hypotenuse by using the Pythagorean theorem. #trigonometry...
Instructional Video11:51
Brian McLogan

Finding the magnitude and direction of a vector from a word problem

12th - Higher Ed
In this video series you will learn multiple math operations. I teach in front of a live classroom showing my students how to solve math problems step by step. My math tutorials should be used to review previous lessons, complete your...
Instructional Video6:27
Brian McLogan

How to determine the point on the unit circle given an angle

12th - Higher Ed
👉 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...
Instructional Video4:18
Brian McLogan

Find the point on the unit circle given an angle

12th - Higher Ed
👉 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...
Instructional Video5:19
Brian McLogan

Using triangles to evaluate for compositions of inverse functions

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 Video8:04
Curated Video

Introduction to Sine, Cosine, and Tangent Functions and Their Graphs

Higher Ed
The video provides a clear explanation of the sine, cosine, and tangent functions and their corresponding graphs. It starts by introducing the unit circle and how it relates to the functions. Then, it explains the formulas for each of...
Instructional Video8:49
Brian McLogan

Review of how to set up a point to evaluate six trigonometric functions

12th - Higher Ed
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...