# Solving the Integral of cos(2x) Video

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

### For what functions do we use integration by substitution to integrate?

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### 2. When finding the integral of cos(2x), we use integration by substitution. The first step is to make a u-substitution. What do we let u equal in the first step?

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## About This Quiz & Worksheet

Try this multiple-choice quiz to answer questions about the integral of cos(2x). The quiz will ask you about integration by substitution, function variables, derivatives and more.

## Quiz & Worksheet Goals

To successfully pass the quiz, you'll be required to:

• Identify the type of functions that are integrated through integration by substitution
• Know what u equals in an example function
• Decide what u equals during the first step of finding the integral of cos(2x)
• Find the integral of cos(2x)
• Calculate the derivative of (1/2)sine(2x)

## Skills Practiced

The quiz helps you practice the following skills:

• Problem solving - use acquired knowledge to solve the integral of cos(2x)
• Reading comprehension - make sure you take away the most important information from the related integration by substitution lesson
• Information recall - access knowledge you've gained regarding variables within functions

## Additional Learning

Solving the Integral of cos(2x) is a related lesson that goes into more detail about these trigonometry concepts. After working through the lesson, you should be able to:

• Define the integration by substitution method
• Learn how to check your work after finding the integral of cos(2x)
• Understand the chain rule for derivatives
Final Exam
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