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Find the angle between the vectors A = i + j and B = j - i. (2022)

Practice Questions

1 question
Q1
Find the angle between the vectors A = i + j and B = j - i. (2022)
  1. 90 degrees
  2. 45 degrees
  3. 60 degrees
  4. 30 degrees

Questions & Step-by-step Solutions

1 item
Q
Q: Find the angle between the vectors A = i + j and B = j - i. (2022)
Solution: cos(θ) = (A · B) / (|A| |B|). A · B = 0, hence θ = 90 degrees.
Steps: 0

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