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Math Help - Which Quadrant?

  1. #1
    Junior Member
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    Which Quadrant?

    Which quadrant do the following angles lie in:
    1. (5pie) / (4)
    2. (7pie) / (4)

    I think it has something to do with whether the angle is between 0 and pie/2 or between pie/2 and pie, but I'm not sure how to classify them.
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  2. #2
    Master Of Puppets
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    \frac{5\pi}{4} = \pi+\frac{\pi}{4} \Rightarrow 3rd

     \frac{7\pi}{4} = 2\pi-\frac{\pi}{4} \Rightarrow 4th
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