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Thread: Simpile Geometry/Trig

  1. Mar 2nd, 2001, 07:44 PM #1
    gwdash
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    I have a right triangle in which i know sides a,b, and c:
    Code:
                 1
            /|
           / |
     a   /   |
        /    |   c
       /     |
      /      |
   2 /______ |3
          b
    I need to find 1, 2, and 3

    3 is obviously 90, and if i can find one other, i can find the third, so i was thinking about using ArcCosin. But i am new at Trig, so i'm really not sure. (This needs to be done in VB)
    GWDASH
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  2. Mar 2nd, 2001, 11:45 PM #2
    Sam Finch
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    you don't have an arccosine in VB, but you do have an arctangent.

    Tan(angle 2) = c/b

    angle 2 = ATan(c/b)
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  3. Mar 3rd, 2001, 07:37 PM #3
    gwdash
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    Great. It works perfectly
    GWDASH
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