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A line makes the same angle theta with X...

A line makes the same angle `theta` with X-axis and Z-axis. If the angle `beta`, which it makes with Y-axis, is such that `sin^2(beta)=3sin^2theta`, then the value of `cos^(2)theta` is

A

(a) `(1)/(5)`

B

(b) `(2)/(5)`

C

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

D

(d) `(2)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
(c)
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