Real math help.
How Do You Horizontally Translate a Trigonometric Graph?
Note:
Translating a graph of sine or cosine horizontally can be fun, but you need to understand how it works. Follow along with this tutorial to learn how to horizontally shift the sine and cosine graphs!
Background Tutorials
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Transformation Definitions
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What is a Translation?
Ever slide something across a table? If so, then you have performed a translation! In this tutorial, learn the definition of translation and see some really neat examples. Take a look!
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Subtracting Integers
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How Do You Subtract a Negative Number from a Positive Number?
Subtracting a negative from a positive? Just remember: subtracting a negative is the same as adding a positive. See how it works in this tutorial!
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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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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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