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Grade 12Algebra

The projections of a vector on the three coordinate axis are 6, – 3, 2 respectively. The direction cosines of the vector are -

saket kumar

12 Years agoGrade 12

1 Answer

SHAIK AASIF AHAMED

12 Years ago

the directional cosines of the vector are given by $\frac{6}{\sqrt{6^{2}+3^{2}+2^{2}}},\frac{-3}{\sqrt{6^{2}+3^{2}+2^{2}}},\frac{2}{\sqrt{6^{2}+3^{2}+2^{2}}},$

$\frac{6}{7},\frac{-3}{7},\frac{2}{7}$

Thanks and Regards

Shaik Aasif

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