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Let alpha, beta, gamma be the angles mad...

Let `alpha, beta, gamma` be the angles made by a line with the positive directions of the axes of reference in three dimensions. If `theta` is the acute angle given by
`costheta=(cos^(2)alpha+cos^(2)beta+cos^(2)gamma)/(sin^(2)alpha+sin^(2)beta+sin^(2)gamma)`, then `theta` equal.

A

`pi//6`

B

`pi//3`

C

`pi//2`

D

`pi//4`

Text Solution

Verified by Experts

The correct Answer is:
B
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