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Prove the following by vector method. Measure of the angle between two diagonals of a cube is `cos^-1 (1/3)`

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MBD PUBLICATION-VECTORS-QUESTION BANK
  1. Prove the following by vector method. in any triangle ABC, a = bcosC...

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  2. Prove the following by vector method. In a triangle AOB, mangleAOB = 9...

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  3. Prove the following by vector method. Measure of the angle between two...

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  4. Each question given below has four possible answers, out of which only...

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  5. A vector perpendicular to the vectors hati+hatj and hati+hatk is

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  6. The area of the triangle with vertices (1,0,0), (0,1,0) and (0,0,1) is

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  7. If veca and vecb are unit vectors such that vecaxxvecb is a unit vecto...

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  8. If veca, vecb and vecc are non-zero vectors, then vecaxxvecb = vecaxxv...

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  9. Let veca = 2hati+hatj, vecb = -hati+3hatj+hatk and vecc = hati+2hatj+...

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  10. Let veca = 2hati+hatj, vecb = -hati+3hatj+hatk and vecc = hati+2hatj+5...

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  11. Let veca = 2hati+hatj, vecb = -hati+3hatj+hatk and vecc = hati+2hatj+5...

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  12. Let veca = 2hati+hatj, vecb = -hati+3hatj+hatk and vecc = -hati+2hatj+...

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  13. Let veca = 2hati+hatj, vecb = -hati+3hatj+hatk and vecc = hati+2hatj+5...

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  14. Find the unit vectors perpendicular to the vectors. hati, hatk

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  15. Find the unit vectors perpendicular to the vectors. hati+hatj, hati-ha...

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  16. Find the unit vectors perpendicular to the vectors. 2hati+3hatk, hati-...

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  17. Find the unit vectors perpendicular to the vectors. 2hati-3hatj+hatk,...

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  18. Determine the area of parallelogram whose adjacent sides are the vecto...

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  19. Determine the area of parallelogram whose adjacent sides are the vecto...

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  20. Determine the area of parallelogram whose adjacent sides are the vecto...

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