6 The depth of water h in metres in a given location on a

Last updated: 6/9/2023

6 The depth of water h in metres in a given location on a given day at hours after midnight canbe modelled using the sinusoidal function h t 1 8 cos 30 1 2 5 7 a What are the maximum and minimum depths of the water b Determine a time at which low tide occurs c What is the depth of the water at 8 PM