Find angle between two vectors A= 2i+j-k. B=i-k
Answers
Answered by
5
Explanation:
Costheta = 3/√12
= √3/2
= 30°
Answered by
2
Answer:
30°
Explanation:
A.B = (2i+j-k). (i-k) = 2+1 = 3
√6√2 cos∝ = 3
cos∝ = 3/√12 = √3/2
∝ = 30°
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