The angle θ between the vectors A = 3ax + 4ay + az and B = 2ay – 5a – McqOptions

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1.	The angle θ between the vectors A = 3ax + 4ay + az and B = 2ay – 5ay is nearly
A.	83.7°
B.	73. 7°
C.	63.7°
D.	53.7°
Answer» B. 73. 7°

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