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Mathematics
Mathematics
Problem
Find the angle of vector
a
=
6
i
^
+
2
j
^
−
3
k
^
\mathbf{a} = 6\hat{i} + 2\hat{j} - 3\hat{k}
a
=
6
i
^
+
2
j
^
−
3
k
^
with
X
X
X
-axis.
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