SOLUTION: The angle between the vectors (1, 0, −1, 3) and (1, √ 3, 3, −3) in R^4 is aπ. Find a.

Question 1162250: The angle between the vectors (1, 0, −1, 3) and (1, √ 3, 3, −3) in R^4 is aπ. Find a.
Answer by ikleyn(52792) (Show Source): You can put this solution on YOUR website!
.


cos(a) = ,


where x and y are two given vectors in 4D-space;  
the numerator of the formula is their scalar product and  |x|  and  |y|  are the lengths of these 4D vectors.

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