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anonymous

  • one year ago

I need some help with trig. Can anyone explain how to solve this problem? I do not want a straight up answer.

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  1. anonymous
    • one year ago
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  2. sweetburger
    • one year ago
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    I guess you could use the law of sins which is like c^2=a^2+b^2-2ab(cos(c))

  3. sweetburger
    • one year ago
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    not sure if thats the acutal equation i could be wrong

  4. anonymous
    • one year ago
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    Thats the best answer Ive got Ill try it out

  5. sweetburger
    • one year ago
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    just get cos c of by itself and then proceed to take the cos^-1 of both sides and find the angle make sure its in degrees

  6. sweetburger
    • one year ago
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    actually idk if needs to be in degrees or not

  7. anonymous
    • one year ago
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    Yes it needs to be degrees

  8. sweetburger
    • one year ago
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    11^2=7^2+8^2 - 2(7)(8)cos(c)

  9. sweetburger
    • one year ago
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    can you take it from there?

  10. anonymous
    • one year ago
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    Ill try

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