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Problem
Problem
If the angle between the vectors
A
and
B
is
θ
\theta
θ
, the value of the product
(
B
×
A
)
⋅
A
(\mathbf{B} \times \mathbf{A}) \cdot \mathbf{A}
(
B
×
A
)
⋅
A
is equal to a.
B
A
2
cos
θ
BA^2 \cos \theta
B
A
2
cos
θ
b.
B
A
2
sin
θ
BA^2 \sin \theta
B
A
2
sin
θ
c.
B
A
2
sin
θ
cos
θ
BA^2 \sin \theta \cos \theta
B
A
2
sin
θ
cos
θ
d. zero
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