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March 25, 2017

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I was just wondering if anyone can explain the Law of Sines- "Ambiguity Case" to me, in a way that is easy to understand.

  • Trig - ,

    I guess what you might mean is due to the fact that sin (180 - A) = sin A when A is between 0 and 90 degrees
    so for example sin 150 = sin 30 = .5
    Now when we go to use law of sines
    sin A/a = sin B/b
    say A = 30 and sin A = .5
    then
    .5/a = sin B/b
    but you would get a very different triangle with the same sin A = .5 if A were 150 degrees.

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