Solved: If is the angle between a line through the origin and the positive x-axis, the

Chapter 0, Problem 36

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If is the angle between a line through the origin and the positive x-axis, the area, in cm 2, of part of a cardioid is A = 3 + 4 sin + 1 2 sin(2). If the angle is increasing at a rate of 0.3 radians per minute, at what rate is the area changing when = /2?

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