Question

Calculus III Homework Help:

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

Answer 1

I think the sum of the squared of the 3 direction angles is identically 1

Answer 2

squares

Answer 3

yes, http://www.geom.uiuc.edu/docs/reference/CRC-formulas/node52.html

Answer 4

direction cosine, sorry

Answer 5

Barely used that except for that one small section in calc 3 if i remember, not too important, but good to know

Answer 6

Okay, I think I've gotten it.
Thank you so much for your help! :)

Answer 7

cos^2(C) = 1/4

cos(C) = 1/2

pi/3

Answer 8

welcome