Brightstorm Q & A : How can you find 1/2 on the unit circle between pie over 2 and negative pie over 2 if negative pie over 2 is not on the unit circle????

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Hi Eva - -π/2 is on the unit circle ... just rotate "clockwise" one quarter turn in the "negative" direction. Hope that helps

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Steve204 May 24, 2010

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-pi/2 is the answer

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Jun028 May 25, 2010

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