If tan^(2)alphatan^(2) beta+tan^(2)betat...

If `tan^(2)alphatan^(2) beta+tan^(2)betatan^(2)gamma+tan^(2)gammatan^(2)alpha+2tan^(2)alphatan^(2)betatan^(2)gamma=1` , then the value of `sin^(2)alpha+sin^(2)beta+sin^(2)gamma` is

A

0

B

1

C

1

D

none of these

Verified by Experts

The correct Answer is:

C

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