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sara1234 Group Title

Find an exact value. sin (17pi/12)

  • 2 years ago
  • 2 years ago

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  1. RyanL. Group Title
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    you can always plug it in a calculator

    • 2 years ago
  2. sara1234 Group Title
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    idk how

    • 2 years ago
  3. RyanL. Group Title
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    try using this websiite: http://www.wolframalpha.com/

    • 2 years ago
  4. RyanL. Group Title
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    Type in what you wrote and it will give you the exact value.

    • 2 years ago
  5. RyanL. Group Title
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    It will also explain some reasoning behind it.

    • 2 years ago
  6. RyanL. Group Title
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    http://www.wolframalpha.com/input/?i=sin+%2817pi%2F12%29 here i plug it in for you

    • 2 years ago
  7. sara1234 Group Title
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    the input is wrong its not written correctly

    • 2 years ago
  8. sara1234 Group Title
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    sin (17pi ) parenthesis around the whole thing ----- 12

    • 2 years ago
  9. RyanL. Group Title
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    Ok then plug that in.

    • 2 years ago
  10. sara1234 Group Title
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    how?

    • 2 years ago
  11. RyanL. Group Title
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    Idk you just wrote it for me. lol you tell me

    • 2 years ago
  12. Yahoo! Group Title
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    sin (17pi/12) = sin255

    • 2 years ago
  13. mickey4691 Group Title
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    i think they want her to evaluate that expression without a calculator, and to do that you would have to refer to the calculator

    • 2 years ago
  14. mickey4691 Group Title
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    i mean refer to the UNIT CIRCLE and not the calculator

    • 2 years ago
  15. Yahoo! Group Title
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    Sin ( 180 + 75) = -Sin 75

    • 2 years ago
  16. freewilly922 Group Title
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    Pretty sure that "exact value" means -not- to use a calculator but something like sin(a-b)=

    • 2 years ago
  17. sara1234 Group Title
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    http://www.wolframalpha.com/input/?i=sin+%2817pi+over+12%29 it didnt give me what i was looking for the answer choices have sqr.6 and sqr.2/4 with differnt signs as answers

    • 2 years ago
  18. freewilly922 Group Title
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    do you know what the sin and cosine of 1pi, 1/2 pi and 1/6 pi? also known as 180 degrees, 90 degrees and 30 degrees?

    • 2 years ago
  19. Yahoo! Group Title
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    Sin 75 = sin(45 + 30) = sin45 cos 30 + cos45 sin30

    • 2 years ago
  20. sara1234 Group Title
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    no

    • 2 years ago
  21. Yahoo! Group Title
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    wat no ?

    • 2 years ago
  22. sara1234 Group Title
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    where is that located confused?

    • 2 years ago
  23. mickey4691 Group Title
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    17pi / 12 to degrees is (17pi)/12 * 180/pi, which is 255 degrees, can yu locate 255 degrees?

    • 2 years ago
  24. RyanL. Group Title
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    You can't just pop up a unit circle with values. You have to explain how you get those values for those certain degrees.

    • 2 years ago
  25. mickey4691 Group Title
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    fine, then explain to her

    • 2 years ago
  26. sara1234 Group Title
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    did you see thw attacment with the question

    • 2 years ago
  27. mickey4691 Group Title
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    yea, i saw it

    • 2 years ago
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