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DrDu
#8
Nov16-12, 10:10 AM
Sci Advisor
P: 3,560
No, the vector theta' is real: [itex]\theta'=90^\deg-\theta_i=\theta'_i[/itex].
The vector k' has a purely imaginary component parallel the vector n and a real component parallel the vector n' which is equal to the component of the n' component of the vector k_i.