On pages 34 – 35, do problems:

• 1 – 4,

• 6 – 7,

• 9,

• 12(a), 13, 14, 15,

• 22, 24, 25,

• 28
  The problem means this: Draw a circle and a diameter. Connect the diameter's end points to any (unspecified) point P
  on the circle to form an interior triangle. Use vectors to show that the angle at point P is a right angle.
  Use vectors (not Cartesian coordinates and not trigonometry).

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