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OpenStudy (anonymous):
andrea and Carlos left the airport at the same time. Andrea flew at 180 mph on a course with bearing 80 degrees, and Carlos flew at 240 mph on a course with a bearing of 210 degrees. How far apart were they after 3 hr? Please help!!!
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terenzreignz (terenzreignz):
@hardequalsmath A 'Law of Cosines' Problem?
OpenStudy (anonymous):
yes:)
terenzreignz (terenzreignz):
Let's setup our 'basis' or whatever you might call it...|dw:1374882716034:dw|
terenzreignz (terenzreignz):
Now, Andrea left at 180 mph, on a course with a bearing 80 degrees...|dw:1374882764681:dw|
terenzreignz (terenzreignz):
Catch me so far?
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OpenStudy (anonymous):
yes!!
OpenStudy (anonymous):
so now what?
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