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The value of the determinant Delta = |(s...

The value of the determinant `Delta = |(sin 2 alpha,sin (alpha + beta),sin (alpha + gamma)),(sin (beta + gamma),sin 2 beta,sin (gamma + beta)),((sin gamma + alpha),sin (gamma + beta),sin 2 gamma)|`, is

A

`Delta=0`

B

`Delta=sin^(2)alpha+sin^(2)beta+sin^(2)gamma`

C

`Delta=3//2`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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