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If cosalpha+cosbeta+cosgamma=sinalpha+si...

If `cosalpha+cosbeta+cosgamma=sinalpha+sinbeta+singamma=0`, then

A

`cos2alpha+cos2beta+cos2gamma=0`

B

`sin2alpha+sin2beta+sin2gamma=0`

C

`cos(beta+gamma)+cos(gamma+alpha)+cos(alpha+beta)=0`

D

`sin(beta+gamma)+sin(gamma+alpha)+sin(alpha+beta)=0`

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The correct Answer is:
A, B, C, D
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