Curated Video
Graphing Sinusoidal Functions: Observing the Unit Circle and Plotting Points
In this video, students will learn how to graph sinusoidal functions by plotting points and observing the terminal ray of the unit circle. They will understand the patterns and periodicity of the sine and cosine functions, and how to...
Curated Video
Sine & Cosine Graph Word Problems (Given the Equation)
This is the first of two videos about applications of Periodic Functions. In this video, we examine how to write the equation of a sine or cosine (sometimes called periodic or sinusoidal) graph from a word problem.
Curated Video
Sine & Cosine Graphs Word Problems (Writing the Equation)
In this video, we investigate how to write the equation of a sine or cosine graph when given the an application situation.
Curated Video
Modeling Periodic Phenomena with Trigonometric Functions
In this video, the teacher explains how to model periodic phenomena using trigonometric functions. They review the general forms of sine and cosine equations and discuss the various transformations that can be applied to these functions.
Curated Video
How to Graph Sine and Cosine
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.
Curated Video
How to graph Tangent and Cotangent (with asymptotes and zeros)
How do you graph y=tan(x) and y=cot(x)? Why do the graphs look the way they do? How do I know where the asymptotes and zeros are for each graph? This video answers all these questions and derives the graphs for these two periodic trig...
Curated Video
Transformations to Sine and Cosine
How do we find amplitude period, phase shift, and vertical shift? This video uses an interactive applet to show how changes in a, b, c and d affect the graph for sine and cosine (periodic) functions.
Curated Video
Learning Akka (Video 31)
Akka helps you to build scalable, resilient, and fault-tolerant distributed systems that can provide outstanding performance on local machines as well as over remote networks. Employing the actor model, it is possible to leverage these...
Curated OER
What is a Periodic Function?
What is a periodic function? This video defines what it means for a function to be periodic. It defines the terms cycle and period in relation to periodic functions and then by looking at two different examples, shows how to analyze a...
Calculus Expert
Sketch the Graph of a Parabola
How many ways can you graph a quadratic? The video shows two approaches to graphing a quadratic expression that is initially in standard form. The first method finds the vertex using -b/2a. The second approach is to find (h,k).
Flipped Math
Period
Stretch out the curve to expand mathematical knowledge. Pupils learn the definition of period and find out how to determine it both from the graph and the equation of the function. Learners use the new skill in graphing periodic...
Curated OER
What Does the Graph of the Cosine Function Look Like?
Using the unit circle and the values of _ at 0, ¹/2, ¹, and 3¹/2, the instructor shows how to construct the cosine graph by translating the x-coordinate of the unit circle to the graph. She then looks at the domain, range, amplitude,...
Curated OER
What Does the Graph of the Sine Function Look Like?
Using the unit circle and the values of _ at 0, ¹/2, ¹, and 3¹/2, the instructor shows how to construct the sine graph by translating the y-coordinate of the unit circle to the graph. She then looks at the domain, range, amplitude,...
Virtual Nerd
Virtual Nerd: What Is a Periodic Function?
This tutorial serves as an introduction to periodic functions and shows what a graph must have to be called one. [4:04]