18. r = cos"/3' 19. r = cos 20, 0 = "/a

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Question

Find the slope of the tangent line for the given polar curve at the point specified by the value of ?.

 

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please explain step by step in a detailed way, so I can understand it

 

= cos t
os "/3•
18. r = cos
0 ="/4
TT
19. r = cos 20,
%3D
Transcribed Image Text:= cos t os "/3• 18. r = cos 0 ="/4 TT 19. r = cos 20, %3D
Expert Solution
Step 1

Given:-

18.  r= cos(π/3) ,θ = π 

19.   r= cos(2θ) , θ = π/4

To find:-

Find the slope of the tangent line for the given polar curve at the point

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