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Use linear interpolation to estimate sin 36 using as your 'known' values 0 & 60?

  1. Oct 30, 2012 #1
    here is the answer:

    36/60 = x/.8660

    60x = .8660 x 36

    60x = 31.176

    x = .5196

    however, where does the value: 0.8660 initially come from?

    any help would be appreciated
     
  2. jcsd
  3. Oct 30, 2012 #2

    rcgldr

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    sin(60°) ~= 0.8660 (and sin(0°) = 0).
     
  4. Oct 30, 2012 #3
    thanks
     
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