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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

`(1)/(5)`

B

`(2)/(5)`

C

`(3)/(5)`

D

`(2)/(3)`

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The correct Answer is:
(c)
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ARIHANT MATHS-THREE DIMENSIONAL COORDINATE SYSTEM-Exercise (Questions Asked In Previous 13 Years Exam)
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