Thursday

August 21, 2014

August 21, 2014

Posted by **nina** on Monday, January 6, 2014 at 9:59am.

- trig -
**Reiny**, Monday, January 6, 2014 at 11:07amAfter you make your sketch, it should be simple to calculate the angle between their flight-paths to be 88° , and after 2 hours the distance covered would be

650 and 600 miles. So a direct application of the cosine law ....

d^2 = 650^2 + 600^2 - 2(650)(600)cos88°

= ...

d = √.....

I get appr 869 miles

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