Cable $A C$ is $70 \mathrm{ft}$ long, and the tension in that cable is $5250 \mathrm{lb}$. Determine $(a)$ the $x, y,$ and $z$ components of the force exerted by the cable on the anchor $C,(b)$ the angles $\theta_{x}, \theta_{y}$, and $\theta_{z}$ defining the direction of that force.