Right Triangles and Trigonometry: Graphing Trigonometric Functions

More Advanced Graphs of Sine Cosine and Tangent Functions

It is worth mentioning that in future math courses, you will learn how to graph functions that look like:

y = 3 + 2 sin 4(x – 45°)
y = -5 + 2 cos 10(x – 30°)
y = 4 – 7 tan 3(x + 45°)

You can see that these all have the functions we learned about in this section—the sine, cosine and tangent functions.  As you can probably guess, these curves are similar to those we just learned.  Based on the numbers in the equation, these functions are either taller/shorter, wider/narrower, or have other variations to them.

Although you do NOT need to know how to graph these types of functions for this course, if you are interested in looking at some, go to MathsNet Interactdive Graphs.   This interactive allows you to change values and see what the graph of the function does.

review icon Review Worksheet

Complete the review worksheet for this section before taking the quiz. Download the review worksheet, complete the questions, and then download the answer key to check your work. Make sure to ask your teacher any questions.


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