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If 1/6 sin theta,cos theta and tan theta...

If `1/6 sin theta`,`cos theta` and `tan theta` are in G.P., then the general value of `theta` is :

A

`2npi +- pi/3, n in Z `

B

`2npi +- pi/6, n in Z`

C

`npi + (-1)^(n) pi/3, n in Z`

D

`npi + pi/3, n in Z.`

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The correct Answer is:
A
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