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Two sides of a triangle are 3 m and 5 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 30°

Two sides of a triangle are 3 m and 5 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 30°

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Two sides of a triangle are 3 m and 5 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 30°?

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