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Related Rates: Triangle Angle and Area

​
angle θ
π
8
rate of change of area =
0.554328
Adjust θ to illustrate the following related rates problem: Two sides of a triangle are 4 m and 5 m in length and the angle between them is increasing at a rate of 0.06 rad/s. Find the rate at which the area of the triangle is increasing when the angle between the sides of a fixed length is
π/3
.
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