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    Instantaneous rate of change - angles

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    A kite 100 ft above the ground moves horizontally at a speed of 8 ft/s. At what rate is the angle between the string and the horizontal decreasing when 200 ft of string have been let out?

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    https://brainmass.com/math/trigonometry/instantaneous-rate-of-change-angles-26538

    Solution Summary

    This shows how to determine the instantaneous rate of change for a kite moving horizontally above the ground.

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