The angle between two lines (Vector)
Students are likely to learn this topic when they attend the A-level H2 math class.
The following formulaue can be used to calculate the angle between two lines.
Angle between two lines
cos y = a.b/(|a||b|)
a.b is the scalar product of two vector
Find out all the angles between the following vectors.
- a = i + 5j + k
- b = i + 6j + 7k
- c = i – 2j + 10k
- a & b = 37.9
- a & c = 88.9
- b & c = 51.6
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