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Thread: Law of Cosines

  1. November 19th 2009, 11:41 AM #1
    ryno16
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    Law of Cosines

    Use the law of cosines to solve the triangle

    C=108°
    a=10
    b=7
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  2. November 19th 2009, 11:52 AM #2
    11rdc11
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    Quote Originally Posted by ryno16 View Post
    Use the law of cosines to solve the triangle

    C=108°
    a=10
    b=7

    c^2 = a^2 + b^2 -2(a)(b)\cos{C}

    just plug in the values and solve
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