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The sum of three unit vectors is an unit vector and the between these vectors are alpha ,beta and gama then the sum of the cosines of these angles will be??

The sum of three unit vectors is an unit vector and the between these vectors are alpha ,beta and gama  then the sum of the cosines of these angles will be??

Grade:12th pass

1 Answers

Vikas TU
14149 Points
6 years ago
Dear Student,
When we take the cosines of the angles b/w the axes 
they are called directional angles.
And the sum of the cosines of these angles is always unity that is 1.
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)

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