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सदिश hati+2hatj+3hatk की दिक् cosine ज्ञ...

सदिश `hati+2hatj+3hatk` की दिक् cosine ज्ञात कीजिए!

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If vecP = hati + hatj + hatk , its direction cosines are

If vecP = hati + hatj + hatk , its direction cosines are

If the position vectors of A and B are hati+3hatj-7hatk and 5hati-2hatj+4hatk , then the direction cosine of AB along Y-axis is

If the position vectors of A and B are hati+3hatj-7hatk and 5hati-2hatj+4hatk , then the direction cosine of AB along Y-axis is

If the position vectors of A and B are hati+3hatj-7hatk and 5hati-2hatj+4hatk , then the direction cosine of AB along Y-axis is

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If the position vectors of A and B are hati+3hatj-7hatk and 5hati-2hatj+4hatk , then the direction cosine of AB along Y-axis is

If vecP=hati+2hatj+6hatk its direction cosines are

If vecP=hati+2hatj+6hatk , its direction cosines are