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haleyelizabeth2017

  • one year ago

Trig help...again :)

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  1. haleyelizabeth2017
    • one year ago
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    What values for \(\theta~(0\le\theta\le2\pi)\) satisfy the equation?\[cos\theta-tan\theta \cos\theta=0\]

  2. anonymous
    • one year ago
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    tan is the same as sin/cos

  3. anonymous
    • one year ago
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    (sin/cos)cos simplifies to what

  4. haleyelizabeth2017
    • one year ago
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    sin

  5. anonymous
    • one year ago
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    correct

  6. anonymous
    • one year ago
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    so we have cos - sin = 0

  7. haleyelizabeth2017
    • one year ago
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    ah hah

  8. haleyelizabeth2017
    • one year ago
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    Still not completely positive on how to finish it....

  9. anonymous
    • one year ago
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    us the unit circle

  10. anonymous
    • one year ago
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    *use

  11. haleyelizabeth2017
    • one year ago
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    Okay...

  12. haleyelizabeth2017
    • one year ago
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    Wait...do I find where each equal 0? O.o

  13. anonymous
    • one year ago
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    nope

  14. anonymous
    • one year ago
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    find where they are both equal to the same thing

  15. haleyelizabeth2017
    • one year ago
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    Ah one sec

  16. haleyelizabeth2017
    • one year ago
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    Well, 45 and 225

  17. haleyelizabeth2017
    • one year ago
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    Are those the only 2?

  18. anonymous
    • one year ago
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    keep it in radians

  19. haleyelizabeth2017
    • one year ago
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    Oh, sorry. \[\frac{\pi}{4}\] and \[\frac{5\pi}{4}\]

  20. anonymous
    • one year ago
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    That's right

  21. haleyelizabeth2017
    • one year ago
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    Okay! That it?

  22. anonymous
    • one year ago
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    sure is

  23. haleyelizabeth2017
    • one year ago
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    Thank you very much :)

  24. anonymous
    • one year ago
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    no problem

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is replying to Can someone tell me what button the professor is hitting...

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