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highschoolmom2010 Group Title

Use the Law of Sines to find the values of x and y. Round to the nearest tenth.

  • 10 months ago
  • 10 months ago

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  1. highschoolmom2010 Group Title
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    • 10 months ago
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  2. nincompoop Group Title
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    what does the law of sines indicate?

    • 10 months ago
  3. highschoolmom2010 Group Title
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    law of sine relates the sine of the angle to the opposite

    • 10 months ago
  4. nincompoop Group Title
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    \[\frac{ a }{ sinA }=\frac{ b }{ sinB }=\frac{ c }{ sinC }\] |dw:1377970093716:dw|

    • 10 months ago
  5. timo86m Group Title
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    It is just a ratio. Set one up using the law of sines :)

    • 10 months ago
  6. highschoolmom2010 Group Title
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    |dw:1377970190365:dw|

    • 10 months ago
  7. highschoolmom2010 Group Title
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    so \[\frac{ \sin 41 }{ y}=\frac{ \sin 62 }{ x }\] like that

    • 10 months ago
  8. timo86m Group Title
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    Not really

    • 10 months ago
  9. timo86m Group Title
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    |dw:1377970383972:dw|

    • 10 months ago
  10. timo86m Group Title
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    Solve for that angle then use it :)

    • 10 months ago
  11. highschoolmom2010 Group Title
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    XD i do that everytime

    • 10 months ago
  12. highschoolmom2010 Group Title
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    ^^how is it 125???

    • 10 months ago
  13. nincompoop Group Title
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    it isn't

    • 10 months ago
  14. highschoolmom2010 Group Title
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    no it is 77

    • 10 months ago
  15. highschoolmom2010 Group Title
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    |dw:1377970590585:dw|

    • 10 months ago
  16. nincompoop Group Title
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    125 + 62 alone makes up over 180 degrees

    • 10 months ago
  17. timo86m Group Title
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    LOL sorry i was looking at the 14 and 41

    • 10 months ago
  18. timo86m Group Title
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    |dw:1377970696576:dw|

    • 10 months ago
  19. highschoolmom2010 Group Title
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    tis ok

    • 10 months ago
  20. timo86m Group Title
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    |dw:1377970767098:dw| Then do it for sin 41

    • 10 months ago
  21. nincompoop Group Title
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    is everything clear now or do you want further help?

    • 10 months ago
  22. highschoolmom2010 Group Title
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    eh need help still

    • 10 months ago
  23. highschoolmom2010 Group Title
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    \[14 \sin 62/\sin72=x\] i got 12.9974045582289724 book says it is 12.7

    • 10 months ago
  24. timo86m Group Title
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    Did you cross multiply?

    • 10 months ago
  25. highschoolmom2010 Group Title
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    erm what

    • 10 months ago
  26. highschoolmom2010 Group Title
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    oh yea i did sorry

    • 10 months ago
  27. timo86m Group Title
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    |dw:1377977703338:dw| I think that is how it is done :)

    • 10 months ago
  28. highschoolmom2010 Group Title
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    im confused ^^

    • 10 months ago
  29. timo86m Group Title
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    That is cross multiplication silly sin(62)*14=sin(77)*x

    • 10 months ago
  30. timo86m Group Title
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    Look at it like this |dw:1377978428131:dw|

    • 10 months ago
  31. highschoolmom2010 Group Title
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    i know how to cross mutiply...

    • 10 months ago
  32. timo86m Group Title
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    sin(62)*14=sin(77)*x ^ ^ 0.8829*14= 0.9743 * x eazy now?

    • 10 months ago
  33. highschoolmom2010 Group Title
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    it says round to nearest tenth|dw:1377978723473:dw|

    • 10 months ago
  34. timo86m Group Title
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    Oh it is so round :D

    • 10 months ago
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