Mathematics · Vector Algebra
Consider two vectors vec A and vec B given below: vec A = 3î + ĵ vec B = î + 3ĵ where î and ĵ are unit vectors along the x-axis and y-axis respectively. The angle between vectors vec A and vec B when their tails coincide is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1sin-1(3/5)
- 2cos-1(4/5)
- 3cos-1(3/5)✓
- 4cos-1(1/√5)
Correct answer
cos-1(3/5)
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