I need to find the resultant force for two separate forces - F1,3 and F2,3. F1,3's components are x= -.719 and y= -.54. F2,3's components are x= .719 and y= -.54. The angle between the q1-q3 line and the x-axis is 36.9. F1,3 and F2,3's magnitude is .899 N. Can someone help me?