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  • 22-03-2024
  • Mathematics
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9-54. A 70° angle is drawn for you in the unit circle at right. a. Approximate the coordinates of point R. Answer (a): (0.3420, 0.9397) b. How could you represent the exact coordinates of point R? Answer (b): (cos (70°), sin (70°)) c. Show that the Pythagorean Identity works for this angle. Hint (c): sin² (0) + cos² (0) = 1 ​
(Part C only)

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