k8lyn911
  • k8lyn911
Calculus III Homework Help: If a vector has direction angles A = π/4 and B = π/3, find the third direction angle C.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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DanJS
  • DanJS
I think the sum of the squared of the 3 direction angles is identically 1
DanJS
  • DanJS
squares
DanJS
  • DanJS
yes, http://www.geom.uiuc.edu/docs/reference/CRC-formulas/node52.html

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DanJS
  • DanJS
direction cosine, sorry
DanJS
  • DanJS
Barely used that except for that one small section in calc 3 if i remember, not too important, but good to know
k8lyn911
  • k8lyn911
Okay, I think I've gotten it. Thank you so much for your help! :)
DanJS
  • DanJS
cos^2(C) = 1/4 cos(C) = 1/2 pi/3
DanJS
  • DanJS
welcome

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