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Related Rates: Triangle Angle and Area
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 .



Based on a problem in J. Stewart, Calculus: Early Transcendentals, 4th ed., Pacific Grove: Brooks/Cole, 1999 p. 257, #23.

"Related Rates: Triangle Angle and Area" from The Wolfram Demonstrations Project
 http://demonstrations.wolfram.com/RelatedRatesTriangleAngleAndArea/
Contributed by: Kevin Balch (Torrey Pines High School)
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