Law of Cosine A jet ski leaves the pier on a bearing of 15 degrees east of north and travels for 18 miles. After travelling for 18 miles, the jet ski changed its course moving 34 degrees east of north for 12 miles then experienced motor malfunction. They called the pier to ask for help and the office at the pier sends a rescue boat to rescue the people on the jet ski. How far should the rescue boat travel and on what bearing?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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Law of Cosine A jet ski leaves the pier on a bearing of 15 degrees east of north and travels for 18 miles. After travelling for 18 miles, the jet ski changed its course moving 34 degrees east of north for 12 miles then experienced motor malfunction. They called the pier to ask for help and the office at the pier sends a rescue boat to rescue the people on the jet ski. How far should the rescue boat travel and on what bearing?
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