1. Rotate the line 0 counterclockwise about the origin, and graph the two lines on the same set of axes. 2. Rotate the line 0 counterclockwise about the point  and graph the two lines on the same set...

1. Rotate the line

⁰
counterclockwise about the origin, and graph the two lines on the same set of axes.

2. Rotate the line

⁰
counterclockwise about the point
 and graph the two lines on the same set of axes.

3. Let A = Show that A is nonsingular by verifying that