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Mathematics
Mathematics
Problem
A vector
a
⃗
\vec{a}
a
has direction ratios
2
,
−
3
,
6
2, -3, 6
2
,
−
3
,
6
. a. (i) Obtain the unit vector in the direction of
a
⃗
\vec{a}
a
. b. (ii) Find the angles that
a
⃗
\vec{a}
a
makes with the three coordinate axes, correct to the nearest degree.
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