17. If Ă.B = |Ă x B], the angle between A and B is
a) 0
b) 45°
d) 180°
c) 90°
Answers
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1
Answer:
45°
Explanation:
A.B=|A×B|
AB cos theta = AB sin theta
Sin theta = cos theta
tan theta=1
Theta=45°
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