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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.
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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DanJS
 one year ago
Best ResponseYou've already chosen the best response.1I think the sum of the squared of the 3 direction angles is identically 1

DanJS
 one year ago
Best ResponseYou've already chosen the best response.1yes, http://www.geom.uiuc.edu/docs/reference/CRCformulas/node52.html

DanJS
 one year ago
Best ResponseYou've already chosen the best response.1Barely used that except for that one small section in calc 3 if i remember, not too important, but good to know

k8lyn911
 one year ago
Best ResponseYou've already chosen the best response.0Okay, I think I've gotten it. Thank you so much for your help! :)

DanJS
 one year ago
Best ResponseYou've already chosen the best response.1cos^2(C) = 1/4 cos(C) = 1/2 pi/3
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