Question 944919
<pre>
A = 352, &#952;A = 174° and B = 276, &#952;B = 358

 horizontal components  |   Vertical components
------------------------|------------------------
352cos(174°)= -350.0717 |  352sin(174°)= 36.7940
------------------------|------------------------
276cos(358°)=  275.8319 |  276sin(358°)= -9.6323
------------------------|------------------------
Totals:        -74.2398 |                27.1617



            tan(&#952;R) = 27.1617/-74.2398
            tan(&#952;R) = -0.36586
                 &#952;R = 159.9042°  since &#952;R is in quadrant II

           R =  {{{sqrt((-74.2398)^2+(27.1617)^2)}}}
           R = 79.0526


Edwin</pre>