Question 847150
{{{A=14cos(143)(i)+14sin(143)(j)=-11.2i+8.4j}}}
{{{B=19cos(310)(i)+19sin(310)(j)=12.2i-14.6j}}}
{{{A+B=(-11.2+12.2)i+(8.4-14.6)j}}}
{{{A+B=(1.0)i+(-6.2)j}}}
{{{R=sqrt(1^2+6.2^2)=6.3}}}N
{{{theta=tan^(-1)(-6.2)=-81=279}}} degrees



{{{drawing(300,300,-12,4,-8,12,grid(1),locate(-7.8,7.2,A),locate(1,-3,A+B),locate(-7.8,3.5,B),line(0,0,-11.2,8.4),line(-11.2,8.4,-11.2+12.2,8.4-14.6),line(0,0,1,-6.2))}}}