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The equation d=11cos5 models the horizontal distance, d, in inches of the pendulum of a grandfather clock fromthe center as it swings from right to left and left to right as a function of time, t, in seconds. According to the model, howlong does it take for the pendulum to swing from its rightmost position to its leftmost position and back again? Assumethat right of center is a positive distance and left of center is a negative distance.O 0.625 secondsO 0.8 secondsO1.25 secondsO 1.6 seconds
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