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A 16-foot ladder is sliding down a wall at 1.8 ft/min. a) Find the rate of change of the angle between the ground and the

A 16-foot ladder is sliding down a wall at 1.8 ft/min. a) Find the rate of change of the angle between the ground and the ladder when the angle is /3. b) Find quickly the bottom of the ladder is moving when the top of the ladder is 10 feet from the ground

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