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If tan^2 alpha tan^2 beta + tan^2 beta t...

If `tan^2 alpha tan^2 beta + tan^2 beta tan^2 gamma + tan^2 gamma tan^2 alpha + 2 tan^2 alpha tan^2 beta tan^2 gamma = 1` then ` sin^2 alpha + sin^2 beta + sin^2 gamma` =

A

0

B

`-1`

C

1

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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