Vector A¯ has a magnitude of 3 units and vector B¯ has a magnitude of 4 units. If the magnitude of A¯×B¯ is 6 units, then the angle between the two vectors is
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a
300
b
600
c
1500
d
either 300 or 1500
answer is D.
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Detailed Solution
ABsinθ = 6 gives sinθ = 1/2, and this is satisfied by θ = 300 as well as 1500