Homework Help: Trig

Posted by MEGGG!!! on Monday, May 10, 2010 at 12:42pm.

Nathan and Julia are walking along lines that form a 38 degree angle. If Nathan walks at 3.6 miles per hour and Julia walks at 4.1 miles per hour, how far apart will they be after 2 hours?

Trig - bobpursley, Monday, May 10, 2010 at 3:12pm
Use law of cosines:

c^2=a^2 +b^2 -2abcosC

C=38deg
a=3.6*2
b=4.1*2
Trig - MEGG!!!, Monday, May 10, 2010 at 3:52pm
Thank you Bob, your awesome :D

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