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If A = |(sin (theta + alpha),cos (theta...

If `A = |(sin (theta + alpha),cos (theta + alpha),1),(sin (theta + beta),cos (theta + beta),1),(sin (theta + gamma),cos (theta + gamma),1)|`, then

A

A = 0 for all ` theta `

B

A is a odd function of `theta`

C

A = 0 for ` theta = alpha + beta + gamma`

D

A is a independent of ` theta`

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