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Math Help - Someone please help me solve this triangle...

  1. #1
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    Question Someone please help me solve this triangle...

    Write answers for sides to 2 decimal places, and for angles to 1 decimal place.

    C = 40, b = 4, a = 3

    How do you solve this step by step? I can't seem to get the correct answer =/

    Here is the URL to the problem if you want to see it how it is on my paper.
    :::: http://i26.tinypic.com/muhfvb.png
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  2. #2
    MHF Contributor Also sprach Zarathustra's Avatar
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    If angel C is between a and b, then use the law of cosines.

    Law of cosines - Wikipedia, the free encyclopedia

    In other cases for angel C use law of sines.

    Law of sines - Wikipedia, the free encyclopedia
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