MHT CET202014 Oct 2020Evening ShiftPhysicsMathematics in PhysicsActual
The angle made by a vector B =3 i +2 j +4 k with y -axis is
Options
- A⁻¹ ( 5 23 )
- B⁻¹ ( 4 11 )
- C⁻¹ ( 3 17 )
- D⁻¹ ( 2 29 )
Correct answer
D. ⁻¹ ( 2 29 )
Step-by-step solution
array l B =3 +2 +4 k y -axis = array made with y axis ⁻¹( 2 = ⁻¹ ( 2 29 )