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Let vec(e(1)) and vec(e(2)) be unit vect...

Let `vec(e_(1)) and vec(e_(2))` be unit vectors making angle `theta`. If `(1)/(2)|vec(e_(1))-vec(e_(2))|=sinlamdatheta,` then find `lamda`.

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The correct Answer is:
`therefore lamda=1/2`
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