Teaching HTET PGT Level 3 - 2024 Mock Test Mathematics Three Dimensional Geometry Angle between two lines
What is the angle between the two lines having direction ratios (6, 3, 6) and (3, 3, 0)?
1
\(\dfrac{\pi}{6}\)
2
\(\dfrac{\pi}{4}\)
3
\(\dfrac{\pi}{3}\)
4
\(\dfrac{\pi}{2}\)