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Mathematics
Mathematics
Problem
If angle between
i
^
−
2
j
^
+
3
k
^
\hat{i} - 2\hat{j} + 3\hat{k}
i
^
−
2
j
^
+
3
k
^
and
2
i
^
+
j
^
+
k
^
2\hat{i} + \hat{j} + \hat{k}
2
i
^
+
j
^
+
k
^
is
θ
\theta
θ
then
sin
θ
\sin \theta
sin
θ
equals
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