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Mathematics
Mathematics
Problem
A vector
C
\mathbf{C}
C
has magnitude
10
units
10\,\text{units}
10
units
and makes an angle of
45
∘
45^{\circ}
4
5
∘
with the positive
x
x
x
-axis. Find a unit vector perpendicular to
C
\mathbf{C}
C
and directed anticlockwise from it.
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