A surface ship is moving in a straight line (horizontally) at 11 km/hr. At the same time, an enemy submarine maintains a position directly below the ship while diving at an angle that is 40° below the horizontal. How fast is the submarine's altitude decream Let x be the distance traveled by the surface ship and y be the altitude of the submarine Write an equation relating x and y. Choose the correct answer below OB. sin (40%)=2 OA. tan (40)-- y OC. cos (40) - OE. cos (40%) Differentiate both sides of the equation with respect to t Choose the correct answer below OA OC tan (40% dx 1 tan (40) d OE.=sin (40) dy Krit COTS The altitude of the submarine is decreasing at a rate of about DERFACI (Do not round until the final answer. Thon round to two decimal places as needed OD. sin (40%) = OF. tan (40%)- OB. sin (40) dx dx OD.cos (40) a Ofcos (40 me quem

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