Question: A 2 8 - centimeter pendulum moves according to the equation = 0 . 2 4 cos ( 7 t ) , where is the

A 28-centimeter pendulum moves according to the equation
=0.24 cos(7t),
where is the angular displacement from the vertical in radians and t is the time in seconds. Determine the maximum angular displacement max and the rate of change of (in rad/sec) when t =6 seconds. (Round your answers to three decimal places.)

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