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IloveCharlie Group Title

Please help! Having trouble with this Precalc/Trig problem :/ Click attached

  • one year ago
  • one year ago

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  1. IloveCharlie Group Title
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    • one year ago
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  2. dpaInc Group Title
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    factor it... treat it as a quadratic...

    • one year ago
  3. eyust707 Group Title
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    Lets just change the name of tanx.. lets call z.

    • one year ago
  4. waterineyes Group Title
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    Factor out tan(x) first..

    • one year ago
  5. eyust707 Group Title
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    \[z^2 - z = 0 \] can you do that one?

    • one year ago
  6. waterineyes Group Title
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    \[\tan(x)(\tan(x) - 1) = 0\] \[\tan(x) = 0\] And: \[\tan(x) - 1 = 0\] Now try to find x..

    • one year ago
  7. IloveCharlie Group Title
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    1/4?

    • one year ago
  8. IloveCharlie Group Title
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    ?

    • one year ago
  9. helpingtutors Group Title
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    x = arc tan(1) x=??

    • one year ago
  10. IloveCharlie Group Title
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    pi/4

    • one year ago
  11. nickhouraney Group Title
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    http://upload.wikimedia.org/wikipedia/commons/4/4c/Unit_circle_angles_color.svg

    • one year ago
  12. waterineyes Group Title
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    tan(x) = 0 Can you tell for what value of x tan(x) is 0 ??

    • one year ago
  13. IloveCharlie Group Title
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    :/ uhhh

    • one year ago
  14. waterineyes Group Title
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    huh...

    • one year ago
  15. waterineyes Group Title
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    tan(x) = 0 can't you find x from it?? \[x = \tan^{-1}(0)\]

    • one year ago
  16. IloveCharlie Group Title
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    I replied to helpingtutors, pi/4?

    • one year ago
  17. waterineyes Group Title
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    That is not right for this..

    • one year ago
  18. waterineyes Group Title
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    That is right for \(tan(x) = 1\)

    • one year ago
  19. waterineyes Group Title
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    Can you find the value of \(tan^{-1}(0)\) ??

    • one year ago
  20. IloveCharlie Group Title
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    0

    • one year ago
  21. waterineyes Group Title
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    Yes..

    • one year ago
  22. waterineyes Group Title
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    One value you are getting 0 and other pi/4 What could be the answer can you tell ??

    • one year ago
  23. waterineyes Group Title
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    By looking at the answer choices..

    • one year ago
  24. IloveCharlie Group Title
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    C.? Or can you reduce?

    • one year ago
  25. nickhouraney Group Title
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    reduce?

    • one year ago
  26. waterineyes Group Title
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    Are you sure with C or not ?? Tell me this thing..

    • one year ago
  27. IloveCharlie Group Title
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    Yes

    • one year ago
  28. waterineyes Group Title
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    Then you are right..

    • one year ago
  29. nickhouraney Group Title
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    tangent equals zero in two points in the unit circle

    • one year ago
  30. IloveCharlie Group Title
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    C. Thank you all for your help :) I appreciate it very much

    • one year ago
  31. waterineyes Group Title
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    Wait..

    • one year ago
  32. IloveCharlie Group Title
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    :/

    • one year ago
  33. waterineyes Group Title
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    Go with @nickhouraney

    • one year ago
  34. IloveCharlie Group Title
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    So not c.?

    • one year ago
  35. waterineyes Group Title
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    No.. My mistake there...

    • one year ago
  36. nickhouraney Group Title
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    whats points in the unit circle will tangent equal zero

    • one year ago
  37. nickhouraney Group Title
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    if you answer this ^ you will have your answer

    • one year ago
  38. waterineyes Group Title
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    Basically : \(tan(x) = 0\) \[\implies x = n \pi, n \in \mathbb{Z}\]

    • one year ago
  39. waterineyes Group Title
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    n is integer here.. Put n = 0 and 1 to find your answer..

    • one year ago
  40. IloveCharlie Group Title
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    b.?

    • one year ago
  41. waterineyes Group Title
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    Yep..

    • one year ago
  42. IloveCharlie Group Title
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    Ahhhh I see. Thanks guys

    • one year ago
  43. waterineyes Group Title
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    Welcome dear..

    • one year ago
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is replying to Can someone tell me what button the professor is hitting...

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