• KM/sin L = LM/sin K
    8/sin L = 5/sin 30
    8 * 1/2 = 5 sin L
    4 = 5 sin L
    sin L = 4/5 = y/r
    maka
    y = 4
    r = 5
    x = 3

    cos L = x/r
    cos L = 3/5

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