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A line makes some angle theta, with each...

A line makes some angle `theta`, with each of the x and z-axis. If the angle `beta`, which it makes with y-axis, is such that `sin^2 beta =3 sin^2 theta , the cos^2 theta` equals:

A

`2/3`

B

`1/5`

C

`3/5`

D

`2/5`

Text Solution

Verified by Experts

The correct Answer is:
D
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