1.

What are the direction cosines of the line segment?

A. {12/13, 4/13, 3/13}
B. {12/13, -4/13, 3/13}
C. {12/13, -4/13, -3/13}
D. {-12/13, -4/13, 3/13}
Answer» B. {12/13, -4/13, 3/13}


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