The question is, Does there exist an angle theta with the function values COS theta=.6 and SIN theta=-.8.....could someone explain this to me. Not really sure what is meant by the question.

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- January 27th 2010, 09:04 PM #1

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- January 27th 2010, 09:09 PM #2

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- January 27th 2010, 09:40 PM #5

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