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iheartfood Group Title

pi/3 is the reference angle for: A. 2pi/3 B. 15pi/3 C. 7pi/3 D. 19pi/3 **its CHOOSE ALL THAT APPLY!!!:) my answers: C. 7pi/3 and D. 19pi/3 are those right??

  • one year ago
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  1. nphuongsun93 Group Title
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    yes

    • one year ago
  2. iheartfood Group Title
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    and those 2 are the ONLY answers right?? out of the 4??

    • one year ago
  3. mathstudent55 Group Title
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    A is also an answer

    • one year ago
  4. iheartfood Group Title
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    it is?? can u pls explain?? :)

    • one year ago
  5. iheartfood Group Title
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    okay so A,C and D are for sure the answers to this question?? :O

    • one year ago
  6. mathstudent55 Group Title
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    |dw:1361311295579:dw|

    • one year ago
  7. mathstudent55 Group Title
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    Yes. Choice B is 15pi/3 which is on the negative x axis, so it is not a reference angle.

    • one year ago
  8. nphuongsun93 Group Title
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    oh reference angle, i miss that. sorry

    • one year ago
  9. iheartfood Group Title
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    kk thanks!!!:)

    • one year ago
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