. Question 19 0/1 pt 9 2 19 9 Details Find the derivative of: - 2 sin (924). Hint: sin (x) = [sin(z)] ...so use the chain rule (twice!). Question Help: Video . Question 20 0/1 pt 0 2 19 0 Details The depth (in feet) of water at a dock changes with the rise and fall of tides. The depth is modeled by the function D(t) = 5 sin + 4 + 4 where t is the number of hours after midnight. Find the rate at which the depth is changing at 5 a.m. Round your answer to 4 decimal places