Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 42E
Related questions
Question
![Find the unit normal vector N to r(t) = (t, cos(t)) at t =
197
(Use symbolic notation and fractions where needed.)
N(t) =
Incorrect
1
2
√3√√3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0a9588bc-f74c-41ca-8126-adb1983b8b63%2F403eb3e2-4ebd-47b7-bdc7-d53a36d60a15%2Fy41u8dr_processed.png&w=3840&q=75)
Transcribed Image Text:Find the unit normal vector N to r(t) = (t, cos(t)) at t =
197
(Use symbolic notation and fractions where needed.)
N(t) =
Incorrect
1
2
√3√√3
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Follow-up Question
still, the answer is wrong
![192
Find the unit normal vector N to r(t) = (t, cos(t)) at t = ¹9ª .
(Use symbolic notation and fractions where needed.)
N(t) =
Incorrect
-
√2
√3](https://content.bartleby.com/qna-images/question/0a9588bc-f74c-41ca-8126-adb1983b8b63/15288213-2355-467d-8b19-aadf76039713/j2ewq0b_thumbnail.png)
Transcribed Image Text:192
Find the unit normal vector N to r(t) = (t, cos(t)) at t = ¹9ª .
(Use symbolic notation and fractions where needed.)
N(t) =
Incorrect
-
√2
√3
Solution
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