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BloomLocke367

  • one year ago

Help with law of sines?

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  1. BloomLocke367
    • one year ago
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    |dw:1432926215703:dw|

  2. BloomLocke367
    • one year ago
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    I'm looking for angle B

  3. BloomLocke367
    • one year ago
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    XD can you help?

  4. BloomLocke367
    • one year ago
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    I know the law of sines, and before I can find b, i need to find the angle c. so right now I have 13sinx=19sin40

  5. BloomLocke367
    • one year ago
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    @amistre64 Can you come help?

  6. BloomLocke367
    • one year ago
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    @ganeshie8

  7. Durply
    • one year ago
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    hi

  8. Durply
    • one year ago
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    would you like to how to do it or the answer

  9. BloomLocke367
    • one year ago
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    please don't spam in my question XD

  10. Durply
    • one year ago
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    yes

  11. Durply
    • one year ago
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    wait how old are you guys?

  12. BloomLocke367
    • one year ago
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    thank you

  13. BloomLocke367
    • one year ago
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    I'm 17. Now, can you help?

  14. Durply
    • one year ago
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    yup im 14 doe

  15. Durply
    • one year ago
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    do u just want the answer

  16. anonymous
    • one year ago
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    yea

  17. BloomLocke367
    • one year ago
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    as long as you can help, I don't care.

  18. BloomLocke367
    • one year ago
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    and I want an explanation, not an answer

  19. anonymous
    • one year ago
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    here is an awesome trig sheet that i made. you will find the law of sines on the right side. learnix.net/wordpress/wp-content/uploads/Trig-Cheat-Sheet-1.4.pdf

  20. Durply
    • one year ago
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    https://youtu.be/_syV6cDk7Lg

  21. Durply
    • one year ago
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    thats is the formula follow that

  22. BloomLocke367
    • one year ago
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    I already know the law.. I'm just not sure how to continue. I have the formula already

  23. IrishBoy123
    • one year ago
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    work out angle C first, and do it yourself that will give you angle B. you sais: "13sinx=19sin40" you called it x. call it C, be consistent with the diagram so 13sinC=19sin40 C = ..... B = .....

  24. BloomLocke367
    • one year ago
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    how do I work it out from there? that's why I'm stuck @IrishBoy123

  25. BloomLocke367
    • one year ago
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    ...

  26. BloomLocke367
    • one year ago
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    @IrishBoy123

  27. BloomLocke367
    • one year ago
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    I didn't even give options

  28. BloomLocke367
    • one year ago
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    @amistre64

  29. IrishBoy123
    • one year ago
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    what is angle C? you can work that out

  30. BloomLocke367
    • one year ago
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    right now I have sinC=19sin40/13. what do I do next?

  31. IrishBoy123
    • one year ago
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    use you calculator

  32. IrishBoy123
    • one year ago
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    use you"r" calculator

  33. BloomLocke367
    • one year ago
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    all I have is a scientific calculator

  34. IrishBoy123
    • one year ago
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    that's more than you need .... in terms of hardware arcsin (19sin40/13) = 70 -ish does that help?!

  35. BloomLocke367
    • one year ago
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    ohhh.. my calculator doesn't have arcsin. that was my problem

  36. IrishBoy123
    • one year ago
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    buy one that does :p lol!!

  37. IrishBoy123
    • one year ago
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    so what is B? does your scientific calculator have "+" and "-" buttons ?!?!

  38. BloomLocke367
    • one year ago
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    XD okay. so then I have a and c, they add up to 110. 180-110=70 so angle b is 70, right?

  39. BloomLocke367
    • one year ago
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    yes, hahaha

  40. IrishBoy123
    • one year ago
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    sounds about right!!

  41. BloomLocke367
    • one year ago
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    okay, can you help with the law of cosines?

  42. IrishBoy123
    • one year ago
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    fire away but open a new thread always open a new thread for a new question

  43. BloomLocke367
    • one year ago
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    I know that.

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