Question
Two ships leave a harbor together traveling on courses that have an angle of 124° between them. If they each travel 511 miles, how far apart are they (to the nearest mile)?
Answers
use cosine law
x^2 = 511^2 + 511^2 - 2(511)(511cos 124°
solve for x
x^2 = 511^2 + 511^2 - 2(511)(511cos 124°
solve for x
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