MHT CET2009MathematicsThree Dimensional Geometry
If the line OR makes angles ₁, ₂, ₃ with the planes XOY, YOZ, ZOX respectively, then ² ₁+ ² ₂+ ² ₃ is equal to
Options
- A1
- B2
- C3
- D4
Correct answer
A. 1
Step-by-step solution
If line OR makes angles ₁, ₂, ₃ with the planes XOY, YOZ, ZOX respectively, then ² ₁+ ² ₂+ ² ₃=1