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[{:(sinalpha,cosalpha,sin(alpha+delta)),...

`[{:(sinalpha,cosalpha,sin(alpha+delta)),(sinbeta,cosbeta,sin(beta+delta)),(singamma,cosgamma,sin(gamma+delta)):}]=`

A

0

B

1

C

`1+sin alpha sin beta sin gamma`

D

`1-(sin alpha-sin beta)(sin beta-sin gamma)(sin gamma-sin alpha)`

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The correct Answer is:
A
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