Chapter 1.10, Problem 1.2QQ

Figure 1.19 shows two vectors lying in the xy-plane. Determine the signs of the x- and y-components of $\stackrel{\to }{\text{A}}$, $\stackrel{\to }{\text{B}}$, and $\stackrel{\to }{\text{A}}\text{ + }\stackrel{\to }{\text{B}}$.