Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

IloveCharlie

  • 2 years ago

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

  • This Question is Closed
  1. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    1 Attachment
  2. dpaInc
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    factor it... treat it as a quadratic...

  3. eyust707
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Lets just change the name of tanx.. lets call z.

  4. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Factor out tan(x) first..

  5. eyust707
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[z^2 - z = 0 \] can you do that one?

  6. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[\tan(x)(\tan(x) - 1) = 0\] \[\tan(x) = 0\] And: \[\tan(x) - 1 = 0\] Now try to find x..

  7. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    1/4?

  8. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ?

  9. helpingtutors
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    x = arc tan(1) x=??

  10. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    pi/4

  11. nickhouraney
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    http://upload.wikimedia.org/wikipedia/commons/4/4c/Unit_circle_angles_color.svg

  12. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    tan(x) = 0 Can you tell for what value of x tan(x) is 0 ??

  13. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    :/ uhhh

  14. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    huh...

  15. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    tan(x) = 0 can't you find x from it?? \[x = \tan^{-1}(0)\]

  16. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I replied to helpingtutors, pi/4?

  17. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    That is not right for this..

  18. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    That is right for \(tan(x) = 1\)

  19. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Can you find the value of \(tan^{-1}(0)\) ??

  20. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    0

  21. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Yes..

  22. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    One value you are getting 0 and other pi/4 What could be the answer can you tell ??

  23. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    By looking at the answer choices..

  24. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    C.? Or can you reduce?

  25. nickhouraney
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    reduce?

  26. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Are you sure with C or not ?? Tell me this thing..

  27. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Yes

  28. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Then you are right..

  29. nickhouraney
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    tangent equals zero in two points in the unit circle

  30. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    C. Thank you all for your help :) I appreciate it very much

  31. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Wait..

  32. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    :/

  33. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Go with @nickhouraney

  34. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    So not c.?

  35. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    No.. My mistake there...

  36. nickhouraney
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    whats points in the unit circle will tangent equal zero

  37. nickhouraney
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    if you answer this ^ you will have your answer

  38. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Basically : \(tan(x) = 0\) \[\implies x = n \pi, n \in \mathbb{Z}\]

  39. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    n is integer here.. Put n = 0 and 1 to find your answer..

  40. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    b.?

  41. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Yep..

  42. IloveCharlie
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Ahhhh I see. Thanks guys

  43. waterineyes
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Welcome dear..

  44. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

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

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.