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Free Live Online Maths Classes by Mrityunjay Raghuvanshi is a document available to read on EtoBox.
The three lines are mutually perpendicular based on the following: 1. The direction cosines of the first two lines sum to 0, indicating perpendicularity. 2. The direction cosines of the second and third lines sum to 0 as well. 3. The direction cosines of the third and first lines also sum to 0, showing all three lines are perpendicular to each other.
- Author
- Mrityunjay Raghuvanshi
- Language
- EN