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Dot and Cross Product Comparison/Intuition
Multiple Choice Questions
If a.b = ||a|| ||b||.cosθ then what is the value of θ? Select the correct option.
θ = arc cos a.b/||a||.||b||
θ = arc sin a.b/||a||.||b||
θ = 2arc cos a.b/||a||.||b||
θ = arc cos||a||.||b|| / a.b
What is cosine of an angle θ? Select the correct option.
cosθ = opposite / hypotenuse
cosθ =adjacent / hypotenuse
cosθ =opposite / adjacent
cosθ =adjacent / opposite
If 'a' and 'b' are two collinear vectors then what is the magnitude of their cross product? Select the correct option.
1
0
cosθ
||a|| ||b||
What is the area of the parallelogram which is created by two vectors 'a' and 'b'? Select the correct option.
Magnitude of the dot product of two vectors.
1
0
Magnitude of the cross product of two vectors.
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