Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

YesterdayiSaidTomorow

  • one year ago

Explain how to find the exact value of Sin 30°

  • This Question is Closed
  1. pradiv
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    .-9880316241 calculator click on sin(30) = .-9880316241

  2. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    No. I said exact value.

  3. pradiv
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    it's probably -1 then

  4. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    it's 1/2 but I keep on getting sqrt(3) / 2

  5. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    it is 1/2

  6. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Yes but how do you find it?

  7. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    look at until circle

  8. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    actually make a triangle

  9. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1359948962457:dw|

  10. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    then the sides are sqrt(3) and 1 is hypotunuse

  11. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    How do you get 1/2?

  12. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    switch 1 and sqrt(3)

  13. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    but why?

  14. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    to get 1/2 that is the triangle of 30 degrees look at this http://www.purplemath.com/modules/trig.htm

  15. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    OOOOOOOOOH!! thanks!

  16. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    welcome

  17. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    memorize unit circle youll need it

  18. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I can't memorize stuff

  19. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    write it out once

  20. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    look it up on google

  21. hammytams
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    my calculator says sin 30 is 0.5

  22. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    help... how do I find sin120?

  23. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    sqrt(3)/2

  24. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    but how? Shouldn't it be the same as sin30?

  25. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    use unit circle it will make life easy

  26. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    its a 30 60 90 triangle

  27. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    no sin of 150 is same as 30

  28. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    |dw:1359950275904:dw|

  29. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    s = o / h s = 1 / 2??

  30. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    http://www.mathsisfun.com/algebra/trig-interactive-unit-circle.html

  31. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    turn on coordinates

  32. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i don't want to memorize... i want to learn how to do it manually :(

  33. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    what's wrong with my triangle? Is the right angle in the wrong place?

  34. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes it turned upside down

  35. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    but why? don't you start at 0 degrees? From where do you start?

  36. akhaliq99
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    this site should explain http://www.mathsisfun.com/sine-cosine-tangent.html

  37. YesterdayiSaidTomorow
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    OH I GOT IT NOW! Thanks for the site!

  38. 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.