$2-14.$ The post is to be pulled out of the ground using two ropes A and $B.$ Rope $A$ is subjected to a force of $600$ lb and is directed at $60$ from the horizontal. If the resultant force acting on the post is to be $1200$ lb $,$ vertically upward, determine the force $T$ in rope $B$ and the corresponding angle $.$

Prob. $2-14$