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Relative to an origin O, the position vectors of points A and B are 3i + 4j − k and...
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High School Teacher
Relative to an origin O, the position vectors of points A and B are 3i + 4j − k and 5i − 2j − 3k respectively.
Use a scalar product to find angle BOA.
vector OB= 5i-2j -3k
Let angle between OA ana OB be `theta`
`OA.OB= |OA||OB| cos(theta)`
Posted by aruv on September 10, 2013 at 9:39 AM (Answer #1)
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