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.
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Additional Topics In Trigonometry
Section: Chapter Questions
Problem 41CT
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