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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

(a) `(2)/(3)`

B

(b) `(1)/(5)`

C

(c) `(3)/(5)`

D

(d) `(2)/(5)`

Text Solution

Verified by Experts

The correct Answer is:
C
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