Figure P$4\mathrm{.}3$o A weight suspended from two cables for problem P$4-3$o$.$

c$.$ Knowing that vec$(T_1)+$vec$(T_2)+$vec$(W)=0,$ solve for the unknown tensions $T_1$ and $T_2.$

$4-30.$ A $200lb$ weight is suspended by two cables as shown in Fig. P$4\mathrm{.}3$

a$.$ Determine the angle $.$

b$.$ Express vec$(T_1)$ and vec$(T_2)$ in rectangular vector notation and determine the values of $T_1$ and $T_2$ required for static equilibrium

$($i$.$e$.,$ vec$(T_1)+$vec$(T_2)+$vec$(W)=0).$