Connections and maritime applications

Example 1:
The wave height in a bay t hours after midnight is given by the formula [b][color=#0000ff]f(t)=1.7 sin⁡〖(t/1.9-3)+2〗[/color][/b].[br][br]The ship can set sail only if the wave height is below[b] 0.6 m. [/b][br]a) Determine all time intervals in which the ship can exit the bay. (Help: plot the line representing the height required, then read the intersections).[br]b) Determine all moments in time for which the height is the largest.[br]c) Determine all moments when the wave height is 2 m.

Information: Connections and maritime applications