Frame of reference question. Polar co-ordinates
A lighthouse keeper spots a ship sailing away from the shore. She marks the bearing from North to the ship as =24 degrees and estimates the distance to the ship as 2.4km. The captain of the ship notes the ship is heading = 30 degrees from north.
If the captain similarly estimates the distance to the lighthouse is 2.4km what are the polar coordinates of the lighthouse in the ships frame of reference?
ok so obviously r= 2.4 but for the angle i keep getting 186 degrees but that's wrong. Can someone explain to me how to get the angle?
Re: Frame of reference question. Polar co-ordinates