Class 12 Three Dimensional Geometry · Conceptual Answer1 Marksdirection_cosines
Class 12 Maths · Three Dimensional Geometry · Conceptual Answer #29
Find direction cosines of a line parallel to the z-axis.
✅ Step-by-Step Solution
Final Answer: ±(0,0,1).
- The two orientations along this axis have unit directions (0,0,1) and (0,0,−1).
- ±(0,0,1).
📋 CBSE Stepwise Marking Scheme
- [0.5 marks] The two orientations along this axis have unit directions (0,0,1) and (0,0,−1).
- [0.5 marks] ±(0,0,1).
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