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A line makes angles alpha,beta,gammaand ...

A line makes angles `alpha,beta,gamma`and `delta`with the diagonals of a cube, than`cos^2alpha+cos^2beta+cos^2gamma+cos^2delta=?`

A

`(4)/(3)`

B

`(2)/(3)`

C

4

D

1

Text Solution

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The correct Answer is:
A
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