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anonymous

  • one year ago

Can someone please help me (pre cal): Find the point on the terminal side of θ = negative three pi divided by four that has an x coordinate of -1. Show your work for full credit.

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  1. anonymous
    • one year ago
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    \[-\frac{ 3\pi}{ 4 }\]

  2. Loser66
    • one year ago
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    Count with me!! |dw:1437708800198:dw|

  3. anonymous
    • one year ago
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    \[-\frac{ 5\pi }{ 4 }?\]

  4. Loser66
    • one year ago
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    yup,

  5. Loser66
    • one year ago
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    now, what you want?? -3pi/4, right? where is it?

  6. anonymous
    • one year ago
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    would it be -7pi/4 because that is opposite of it

  7. Loser66
    • one year ago
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    |dw:1437709056798:dw|

  8. Loser66
    • one year ago
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    |dw:1437709088105:dw|

  9. Loser66
    • one year ago
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    In your problem, if the x-coordinate is -1, there is no way to get \(\theta =-3\pi/4\). Why?? because it is here|dw:1437709173058:dw|

  10. Loser66
    • one year ago
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    the angle has x-coodinate =-1 is -4pi/4= -pi, not -3pi/4

  11. Loser66
    • one year ago
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    I think, you mix 2 problems together to "create" this problem, hahahaha

  12. anonymous
    • one year ago
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    Thank you so much for taking the time to explain, I think I understand it somewhat

  13. anonymous
    • one year ago
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    So if it told you to show your work in the problem would I just explain how I used the graph or is there a way to write it out

  14. Loser66
    • one year ago
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    yes, describe on words, like: from 0, go clockwise ......

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