Find the angle between the line x + 12 = y;3 = z - 36 and the plane 10x + 2y - 11z - 3 = 0.
Understanding this is easy: we verify ^ - 1( 8/21 ) by full calculation: use standard identity, substitute, simplify step by step to reach ^ - 1( 8/21 ).
Ref: NCERT Mathematics Class XII — Vectors and 3D Geometry
