Answered: In exercises 9-14, identify all points… | bartleby

Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter6: The Trigonometric Functions

Section6.6: Additional Trigonometric Graphs

Problem 77E

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Question

Question 9

In exercises 9-14, identify all points at which the curve has
(a) a horizontal tangent and (b) a vertical tangent.
a
x = cos 21
x = cos 2t
sin 4t
9.
10.
32. F
y = sin 7t
%3D
d.
[x = 1² – 1
|x = t? – 1
%3D
11.
12.
y = 1* - 41
y = r - 412
x = 2 cos t + sin 2t
13.
Jx = 2 cos 2t + sin t
14.
%3D
y = 2 sint + cos 2t
y = 2 sin 2t + cost
%3D
%3D
33. S
th

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