The depth of water,y in feet of water in Boston harbor is given in terms of t the number of hours since midnight by y=5+4.9cos(πt/6).Calculate the water depth at 2:00pm and also calculate the rate at which the water depth is changing at that time.
The depth of water,y in feet of water in Boston harbor is given in terms of t the number of hours since midnight by y=5+4.9cos(πt/6).Calculate the water depth at 2:00pm and also calculate the rate at which the water depth is changing at that time.