Question:medium
The direction cosines of any normal to the xy-plane are
The direction cosines of any normal to the xy-plane are
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Direction cosines of coordinate axes: x-axis \((1, 0, 0)\), y-axis \((0, 1, 0)\), z-axis \((0, 0, 1)\).
Updated On: Apr 7, 2026
- 1, 0, 0
- 0, 1, 0
- 1, 1, 0
- 0, 0, 1
Show Solution
The Correct Option is D
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