Alg2 lesson 13-2

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Alg2 lesson 13-2

  1. 1. Standard Position for y an Angle: 90o Vertex at the origin Initial side on the x-axis Terminal side-180o x180o Initial side 360o 270o -90o
  2. 2. Draw the angle 210 in standard position. y 90o x 180o 270o
  3. 3. Draw the angle -45 in standard position. y 90o x 180o 270o
  4. 4. Draw the angle 540 in standard position. y 90o x 180o 270o
  5. 5. Unit CircleC=C=360o =180o =
  6. 6. Rewrite 30 in radians. 180o = 30 deg Answer:
  7. 7. Rewrite 45 in radians. 180o = 45deg 45 Answer:
  8. 8. Rewrite in degrees. 180o = radians Answer: –300
  9. 9. Find one angle with positive measure and one anglewith negative measure coterminal with 210 . yA positive angle is 90oA negative angle is 180o 270o
  10. 10. Find one angle with positive measure and oneangle with negative measure coterminal withA positive angle isA negative angle is

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