Given the points T(6, 2, – 3), R(- 1,4, - 2) and S(2,5, 1). Find the angle between R, and R, TR TS' Answer:
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Answer Number 9
![Given the points T(6, 2, – 3), R(- 1, 4, – 2) and S(2,5, 1). Find the unit vector directed from T towards
R.
8
Answer:
Given the points T(6, 2, – 3), R(- 1, 4, – 2) and S(2,5, 1). Find the angle between R, and R
TS
TR
9
Answer:
Given the three points X(6, 2, – 3), Y(- 2, 3, 0) and Z(- 4, 6, 5). Find the unit vector perpendicular to
this triangular surface.
10
Answer:
Given the three points X(6, 2, – 3), Y(- 2,3,0) and Z(- 4,6, 5). Find the unit vector bisecting the
interior angle of the triangle at X.
11
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