# How to Find the Period of Cosine Functions

Instructions:

question 1 of 3

### What is the period of the cosine function f(x) = Acos(Bx + C) + D?

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### 2. What is the period of the function g(x) = 354(-πx + 920) + 37?

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Using the worksheet and quiz, you can check your comprehension of cosine functions. For the quiz, you specifically need to know how to find the period of different functions.

## Quiz & Worksheet Goals

You will be tested on the following topics:

• Cosine functions
• Periodic functions
• Finding the period of cosine functions

## Skills Practiced

Use these materials any time to practice the following skills:

• Reading comprehension - ensure that you draw the most important information from the lesson on finding the period of cosine functions
• Knowledge application - use your knowledge to answer questions about finding the period of different functions
• Information recall - access the knowledge you have gained about characteristics of periodic functions