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A line line makes the same angle theta w...

A line line makes the same angle `theta` with each of the `x` and z-axes. If the angle `beta`, which it makes with y-axis, is such that `sin^(2)beta=3sin^(2)theta` then `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:
C
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