Real math help.
What Does the Graph of the Sine Function Look Like?
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Background Tutorials
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X- and Y-Intercepts
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What's the X-Intercept?
When you have a linear equation, the x-intercept is the point where the graph of the line crosses the x-axis. In this tutorial, learn about the x-intercept. Check it out!
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Finding Missing Angles
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What is the Sine Ratio?
The sine ratio is a handy ratio when you're dealing with right triangles! In this tutorial, you'll learn what the sine ratio is and how to use it to find angle measurements in a right triangle.
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Ordered Pairs and The Coordinate Plane
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What is the Coordinate Plane?
You can't graph a function or plot ordered pairs without a coordinate plane! Learn about the coordinate plane by watching this tutorial.
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Relations
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What is Domain?
Did you know that a relation has a domain? The domain of a relation is the set of the first coordinates from the ordered pairs. This tutorial defines the domain of a relation!
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What is the Range of a Relation?
Did you know that a relation has a range? The range of a relation is the set of the second coordinates from the ordered pairs. This tutorial defines the range of a relation!
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Introduction to Periodic Functions
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What is a Periodic Function?
Periodic functions have some special qualities! In this tutorial, you'll be introduced to these functions and learn what a graph must have to be called a periodic function.
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Further Exploration
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Graphing Sine and Cosine Functions
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What Does the Graph of the Cosine Function Look Like?
You can use the unit circle to help you graph the cosine function! In this tutorial, you'll learn how to do exactly that!
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