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Mathematics
Mathematics
Problem
The vector
v
=
2
i
^
−
2
j
^
+
k
^
\mathbf{v}=2\hat i-2\hat j+\hat k
v
=
2
i
^
−
2
j
^
+
k
^
makes an angle
β
\beta
β
with the positive
y
y
y
-axis. Calculate
β
\beta
β
(to the nearest degree).
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