Two sides of a triangle are 6 m and 9 m respectively. If the included angle is changing at the rate of 2 radian per second, at what rate is the third side changing when the included angle is 60° ? 9m A. 17.18 m/s B. 11.78 m/s C. 18.17 m/s 6m D. 10.18 m/s

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Two sides of a triangle are 6 m and 9 m respectively. If the included angle is changing at
the rate of 2 radian per second, at what rate is the third side changing when the included
angle is 60° ?
9m
A. 17.18 m/s
B. 11.78 m/s
C. 18.17 m/s
6m
D. 10.18 m/s
Transcribed Image Text:Two sides of a triangle are 6 m and 9 m respectively. If the included angle is changing at the rate of 2 radian per second, at what rate is the third side changing when the included angle is 60° ? 9m A. 17.18 m/s B. 11.78 m/s C. 18.17 m/s 6m D. 10.18 m/s
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