If tan theta + tan 2theta + tan 3theta =...

If `tan theta + tan 2theta + tan 3theta = 0` then `theta =`

A

`theta = n pi //6, n in Z` only

B

`theta = n pi pm alpha, n in Z, " where tan " alpha = 1 sqrt(2) ` only

C

Both a and b

D

`theta = n pi pm alpha, n in Z, " where tan " alpha = (1)/(sqrt(5))` only

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The correct Answer is:

B

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