In an attempt to escape his island, Gilligan builds a raft and sets to sea. The wind shifts a great deal during the day, and he is blown along the following straight lines.

• 2.5 km 45 north of west; then
• 4.70 km 60 south of east; then
• 5.1 km straight east; then
• 7.2 km 55 south of west; and finally
• 2.8 km 5 north of east.

What is his final position in kilometers and degrees south of east relative to the island?

______ km ______ degrees south of east

Can you please explain how you know which to use with sin, cos, and tan?