three horizontal forces are pulling on a ring at rest F1 is 6.25N at a 180 degree angle and F2 is 8.90 N at a 243 degree direction what is the x component of F3

Answer 1

We can check your answer.

Answer 2

X1+X2 = 6.25*Cos180 + 8.90*Cos243 = -6.25 - 4.04 = -10.29 N.,
X3 = -(X1+X2) =