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Mathematics
Mathematics
Problem
Find the correct expression for the magnitude of the vector product
A
⃗
×
B
⃗
\vec A \times \vec B
A
×
B
of two vectors
A
⃗
\vec A
A
and
B
⃗
\vec B
B
that make an angle
θ
\theta
θ
with each other. a)
A
B
cos
θ
AB\cos\theta
A
B
cos
θ
b)
(
A
+
B
)
sin
θ
(A+B)\sin\theta
(
A
+
B
)
sin
θ
c)
A
B
sin
θ
AB\sin\theta
A
B
sin
θ
d)
A
B
θ
AB\theta
A
B
θ
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