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Chapter 10 Vector Algebra Worksheet 2 - Atomic Energy Education Society

Chapter – 10 : Vector Algebra Worksheet – 2 1. What is the cosine of the angle ,which the vector î + ĵ + k à makes with y-axis ? 2. If l a ,⃗ l = √3 , l b ,⃗ l = 2 and angle between a ,⃗ and b ,⃗ is 60 4 3. If a , ,⃗ L 2 áı ȷ̂ E3k à and b ,⃗ L 3ı̂ȷ̂ F2k à then find angle between a ,⃗ Eb ,⃗ and a ,⃗ Fb ,⃗ . 4.