A ship leaves port and sails at a bearing of 124degrees. Another ship leaves the same port at the same time sailing at a bearing of 74degrees. When both ships are 80 miles from the port, how far are they from each other?

2 answers

use the law of cosines. The included angle is 50°
An observer at a point P on a coast sights a ship in a direction N 41°39'
E. The ship is at the same time directly east of a point Q, 18.6 km due north of P. Work to three significant digits.
Find the distance of the ship from point P.