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Two people start from the same point. One walks east at 3 mi/h and the other walks northeast at 2 mi/h. How fast is the distance between the people changing after 15 minutes? Hint: Use the Cosine Law: c² = a² + b²-2ab cos 0 Note: All of your calculations should be exact until the final answer. when you can round to two decimal places.

Two people start from the same point. One walks east at 3 mi/h and the other walks northeast at 2 mi/h. How fast is the distance between the people changing after 15 minutes? Hint: Use the Cosine Law: c² = a² + b²-2ab cos 0 Note: All of your calculations should be exact until the final answer. when you can round to two decimal places.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.7: Applied Problems
Problem 74E
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Two people start from the same point. One walks east at 3 mi/h and the other walks northeast at 2 mi/h. How fast is the distance between the people changing after 15 minutes? Hint: Use the Cosine Law: c² = a² + b² - 2ab cos 0 Note: All of your calculations should be exact until the final answer, when you can round to two decimal places.
Transcribed Image Text:Two people start from the same point. One walks east at 3 mi/h and the other walks northeast at 2 mi/h. How fast is the distance between the people changing after 15 minutes? Hint: Use the Cosine Law: c² = a² + b² - 2ab cos 0 Note: All of your calculations should be exact until the final answer, when you can round to two decimal places.
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