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A line makes angles angle, beta, gamma a...

A line makes angles `angle, beta, gamma and delta` with the diagonals of a cube. Show that `cos^(2)alpha+cos^(2)beta+cos^(2)gamma+cos^(2)delta=4//3`.

A

`1/3`

B

`2/3`

C

`4/3`

D

`5/3`

Text Solution

Verified by Experts

The correct Answer is:
C
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