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Flip and pair: symbol with meaning

Exercise and reference answers

Matching pairs
  1. A
    l, m, n
    B
    direction cosines
  2. A
    a, b, c
    B
    direction ratios
  3. A
    λ
    B
    parameter along the line
  4. A
    θ
    B
    acute angle between two lines
  5. A
    r = a + λb
    B
    vector equation of a line

Explanation

The notation used throughout the chapter. Source: syllabus Maths Part II, Ch 11 Three Dimensional Geometry.
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