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If vector a ( 8i cap+6j cap-10 under rout 3k cap) then what are cosine of angle by this vector with x,y and z axis respectively

If vector a ( 8i cap+6j cap-10 under rout 3k cap) then what are cosine of angle by this vector with x,y and z axis respectively 

Grade:12th pass

1 Answers

Arun
25758 Points
4 years ago
Dear Kumar
 
Suppose this vector majes angke A, B, C with X, Y , Z axis respectively.
Then
Cos A = 8/sqrt(8²+6²+10²) = 8/sqrt(200)
Cos B = 6/sqrt(200)
Cos C = -10/ sqrt(200)

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