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k8lyn911

  • one year ago

Calculus III Homework Help: If a vector has direction angles A = π/4 and B = π/3, find the third direction angle C.

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  1. DanJS
    • one year ago
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    I think the sum of the squared of the 3 direction angles is identically 1

  2. DanJS
    • one year ago
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    squares

  3. DanJS
    • one year ago
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    yes, http://www.geom.uiuc.edu/docs/reference/CRC-formulas/node52.html

  4. DanJS
    • one year ago
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    direction cosine, sorry

  5. DanJS
    • one year ago
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    Barely used that except for that one small section in calc 3 if i remember, not too important, but good to know

  6. k8lyn911
    • one year ago
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    Okay, I think I've gotten it. Thank you so much for your help! :)

  7. DanJS
    • one year ago
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    cos^2(C) = 1/4 cos(C) = 1/2 pi/3

  8. DanJS
    • one year ago
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    welcome

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