We let u = 1+cos^2x, the take the derivative. The derivative is du=2(cos(x))(-sin(x))dx. Then it turns into -sin(2x)dx. Can you tell me how this happens? Where did cos go?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
Problem 78RE
icon
Related questions
Question

James Stewart calculus eight edition, chapter 6.2*, question 73. We let u = 1+cos^2x, the take the derivative. The derivative is du=2(cos(x))(-sin(x))dx. Then it turns into -sin(2x)dx. Can you tell me how this happens? Where did cos go?

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Indefinite Integral
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,