Homework Help: math

Posted by Anonymous on Saturday, June 16, 2012 at 9:30pm.

a boat travels 60 km due east. it then adjusts its course by 25 degrees northward and travels another 90 km in the new direction. how far is the boat from its initial position to the nearest kilometer?

math - Damon, Saturday, June 16, 2012 at 9:46pm
East distance = 60 + 90 cos 25 = 141.6
North distance = 90 sin 25= 38

d^2 = 141.6^2 + 38^2
d = 147

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