Posted by **Imani** on Tuesday, September 27, 2011 at 6:41pm.

A person walks 15.0° north of east for 3.70 km. How far due north and how far due east would she have to walk to arrive at the same location?

- Physics -
**Steve**, Wednesday, September 28, 2011 at 4:48am
It's easiest to just draw a diagram.

Start out at (0,0) and draw a line 3.7 long, at an angle of 15deg up from horizontal.

Now you have a right triangle, with hypotenuse 3.7, and

height = 3.7 sin 15 = 0.96 (north)

base = 3.7 cos 15 = 3.57 (east)

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