Problem $2\mathrm{.}67$

The two forces $F_1$ and $F_2$ acting at $A$ in $($Figure $1)$ have a resultant force of $F_R=\{-110k\}lb.$

Figure

$1$ of $1$

A$)$ Determine the magnitude of F$2$

B$)$ Determine the coordinate direction angles of F$2$