Find the derivative. r = 20 - 04 cos 0 dr = 40° cos e - oª sin 0 OP dr = 403 sin e - 0ª cos 0 de O dr 403 sin e de dr - 403 cos 0 + 0ª sin 0 = - de

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section: Chapter Questions
Problem 22T
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Find the derivative.
r= 20 - 04 cos 0
dr
403 cos e - 0“ sin 0
de
= 403 sin 0 - 04 cos e
de
= 403 sin e
de
= - 403 cos 0 + 04 sin 0
de
Transcribed Image Text:Find the derivative. r= 20 - 04 cos 0 dr 403 cos e - 0“ sin 0 de = 403 sin 0 - 04 cos e de = 403 sin e de = - 403 cos 0 + 04 sin 0 de
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