DoodleScience
Circular Motion
Do you ever feel like you are going around and around without getting anywhere? Maybe you should learn about circular motion. In the third of six videos in the series, circular motion, centripetal force, and centripetal acceleration...
Curated OER
What is a Sector and Central Angle?
Slice a large piece of pie or slice a small piece of pie? Whichever way you slice it, this piece of pie would be a fraction of the whole pie. This analogy corresponds with the sector of a circle being a piece of the pie. The size of the...
Curated OER
What is the Formula for the Area of a Sector of a Circle?
Are you looking for the formula for the area of a sector of a circle? But what's a sector? A sector is just a fraction of the area of a circle. Follow the instructor as she illustrates and labels the different parts of a circle. She also...
Curated OER
What is an Angle?
An angle is formed when two rays share a common endpoint. Want to know more about angles? There are a lot of terms in this lesson. You might have to watch it two or even three times to make sure you understand all the terms. I recommend...
Curated OER
How Do You Find the Degree of a Polynomial?
How do you determine the degree of a term? How do you determine the degree of a polynomial? Oh my! Observe the teacher as she shows you just how to figure out the degrees, first of terms, then of polynomials.
Virtual Nerd
What is a Vector?
Define a vector and teach your class about the different parts of a vector with this video. An instructor conveys what a vector is, labeling the parts and providing multiple examples. Learners can re-watch this video if they are...
Curated OER
What's the Standard Form of a Polynomial?
The teacher explains how to write a polynomial in standard form. She first explains standard form and then shows several examples. A couple of expressions were not in standard form and I would have liked to see her rewrite these...
Sophia Learning
Sophia: Cosine: Lesson 2
The concept of the cosine of an angle is introduced here. This lesson [3:19] is 2 of 4 in the series titled "Cosine."
Sophia Learning
Sophia: Cosine: Lesson 4
The concept of the cosine of an angle is introduced here. This lesson [3:32] is 4 of 4 in the series titled "Cosine."
Sophia Learning
Sophia: Cosine Wave: Lesson 4
The shape and nature of the cosine wave are introduced here. This lesson [1:36] is 4 of 7 in the series titled "Cosine Wave."
Sophia Learning
Sophia: Relating Radians and Degrees: Lesson 2
This lesson demonstrates conversion between radians and degrees. It is 2 of 10 in the series titled "Relating Radians and Degrees."
Sophia Learning
Sophia: Sine and Cosine: Lesson 7
The differences and similarities of the graphs for sine and cosine are discussed here. This lesson is 7 of 7 in the series titled "Sine and Cosine."
Sophia Learning
Sophia: Trigonometic Notation: Lesson 3
Different ways of noting angles and trigonometric functions are discussed in this lesson. It is 3 of 5 in the series titled "Trigonometic Notation."
Sophia Learning
Sophia: Trigonometric Function Tables: Lesson 1
The use of tables to find the value for a trigonometric function of a specific angle is discussed here. This lesson is 1 of 5 in the series titled "Trigonometric Function Tables."
Sophia Learning
Sophia: Drawing a Negative Angle: Lesson 7
This lesson show haw a negative angle can be drawn on a unit circle. It is 7 of 7 in the series titled "Drawing a Negative Angle."
CK-12 Foundation
Ck 12: Elem Math: Overview of Measurement of Angles
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how angles are measured in degrees using a protractor and some types of angles. [2:03]
Khan Academy
Khan Academy: Algebra Ii: Radians: Introduction to Radians
Understanding the definition and motivation for radians and the relationship between radians and degrees. [10:51]
Virtual Nerd
Virtual Nerd: What Is an Angle?
Take a look at this tutorial to learn about how an angle is formed, how to name an angle, and how an angle is measured. [4:45]
Khan Academy
Khan Academy: Radians: Converting Degrees to Radians
Worked example to help understand how we covert degrees to radians.
Khan Academy
Khan Academy: Intensifiers and Adverbs of Degree
Words like 'very' and 'slightly' are examples of intensifiers and adverbs of degree. Here's how they work!
Sophia Learning
Sophia: Cosecant: Lesson 5
The concept of the cosecant of an angle is introduced in this lesson. It is 5 of 5 in the series titled "Cosecant." [2:33]
Sophia Learning
Sophia: Cosecant: Lesson 1
The concept of the cosecant of an angle is introduced in this lesson. It is 1 of 5 in the series titled "Cosecant." [3:17]
Sophia Learning
Sophia: Cosine: Lesson 3
The concept of the cosine of an angle is introduced here. This lesson [4:11] is 3 of 4 in the series titled "Cosine."
Sophia Learning
Sophia: Cosine Wave: Lesson 2
The shape and nature of the cosine wave are introduced here. This lesson [2:37] is 2 of 7 in the series titled "Cosine Wave."