Question

The bearing of a ship A and B from a port P are 225 and 116 respective ship A is B 9km from ship B on a bearing of 258degree. Calculate the distance of a ship A from P
Give me answer
As always, draw a diagram.
In triangle PAB,
angle P = 79°
angle B = 38°
so, using the law of sines,
AP/sin38° = 9/sin79°

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