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If veca and vecb are unit vectors and th...

If `veca` and `vecb` are unit vectors and `theta` is the angle between them then show that
`|veca-vecb|=2sin.(theta)/(2)`

Answer

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Knowledge Check

  • The angle between the two vectors veca + vecb and veca-vecb is

    A
    Between `0^(@)` and `180^(@)`
    B
    `90^(@)` only
    C
    `0^(@)` only
    D
    `180^(@)` only

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