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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 11
Find the principle unit normal vector to the curve given below at the specified point.
r(t) = ti+ 3t²j, t = 1
ON(1)=
○ N(1) =
O
O
O
N(1) =
N(1)=
N(1) =
6
√√37
-6
√10
√√37
-6
√√37
i+
Question 12
1
√37
1
√10
1
√37
D
√37
1
it
√10 √10
j
Find at at time t = 1 for the plane curve r(t) = 4t²i+3tj. Round your answer to three decimal place

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