Teaching AWES Army Public School TGT Mock Test 2024 Mathematics Three Dimensional Geometry Angle between two lines
The angle between following pair of lines is:
r̅ = 4î - ĵ + λ(î + 2ĵ - 2k̂) and
r̅ = î - ĵ + 2k̂ + μ(2î + 4ĵ - 4k̂)
1
π/2
2
π/3
3
π/6
4
0°