For 0 ≤ t ≤ 30, the rate of change of the number of mosquitoes on Tropical Island at time t days is modeled by R (t) = 3√t cos (1) mosquitoes per day. There are 1200 mosquitoes 3 on Tropical Island at time t=0. According to the model, how many mosquitoes will be on the island at time t=30? Round your answer to the nearest whole number.

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