Suppose $A, B$ are two points on a parabola $\Gamma$ and their connecting line segment passes through the focus $F$ of $\Gamma$. Let the projections of $A, F, B$ onto the directrix of $\Gamma$ be $A', F', B'$ respectively. Select the option equal to $\frac{\overline{AF}}{\overline{A'F'}}$. (Note: This schematic diagram only illustrates the relative positions of the points; the distance relationships between points are not accurate) (1) $\tan \angle 1$, where $\angle 1 = \angle A'F'A$ (2) $\sin \angle 2$, where $\angle 2 = \angle AF'F$ (3) $\sin \angle 3$, where $\angle 3 = \angle A'AF$ (4) $\cos \angle 4$, where $\angle 4 = \angle F'FB$ (5) $\tan \angle 5$, where $\angle 5 = \angle FF'B$
Suppose $A, B$ are two points on a parabola $\Gamma$ and their connecting line segment passes through the focus $F$ of $\Gamma$. Let the projections of $A, F, B$ onto the directrix of $\Gamma$ be $A', F', B'$ respectively. Select the option equal to $\frac{\overline{AF}}{\overline{A'F'}}$. (Note: This schematic diagram only illustrates the relative positions of the points; the distance relationships between points are not accurate)\\
(1) $\tan \angle 1$, where $\angle 1 = \angle A'F'A$\\
(2) $\sin \angle 2$, where $\angle 2 = \angle AF'F$\\
(3) $\sin \angle 3$, where $\angle 3 = \angle A'AF$\\
(4) $\cos \angle 4$, where $\angle 4 = \angle F'FB$\\
(5) $\tan \angle 5$, where $\angle 5 = \angle FF'B$