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What Are the Direction Cosines of Z-axis?

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प्रश्न

What are the direction cosines of Z-axis?

योग
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उत्तर

The z−axis makes angles 90°, 90° and 0° with x, y and z axes, respectively. Therefore, the direction cosines of z−axis are cos 90°, cos 90°, cos 0°, i.e. 0, 0, 1.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 26: Direction Cosines and Direction Ratios - Very Short Answers [पृष्ठ २४]

APPEARS IN

आर.डी. शर्मा Mathematics Volume 1 and 2 [English] Class 12
अध्याय 26 Direction Cosines and Direction Ratios
Very Short Answers | Q 4 | पृष्ठ २४

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