Moderate# Rotated Secant for $(3,-9)$

TRIG-W1MNXL

The line segment from the origin containing the point $(3,-9)$ is rotated about the origin $-\cfrac { \pi }{ 2 }$ radians.

Determine the secant of the new angle formed between the line segment from the origin that contains the new coordinate and the positive $x$-axis.