This is for precalculus, so no calculus solutions please. Need help with the Sinusoidal Function problem below, all parts. Thank you.

B. [12 points] The predicted times and height; of the high and low tides for the seaside village of Purtwenn during a certain deg,r axe: (a) Find a sinusoidal Function in standard form, Ht) 2 A ein(2"(t C} D, which models the tide height data for Portwenn at t hours past midnight, on the giv day. {b} Sketch the graph of the function y = Mt], for 04}: 324 home.- 14 4 10 11 12 13 14 15 18 17 18 19 20 E1 23 24 (c) A boat requires a tide height of 10 meters or more to be able to enter a harbor. Compute all the time intervals during this day when the boat could enter the Portwenn harbor