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If alpha, beta and gamma be the angle ma...

If `alpha, beta and gamma` be the angle made by the vector `3bar(i)-6bar(j)+2bar(k)` with the positive direction of the coordinate axes, then find `cos alpha, cos beta, cos gamma`.

Text Solution

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The correct Answer is:
`cosalpha=(3)/(7):cosbeta-(6)/(7):cosgamma=(2)/(7)`
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