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in Determinants by (26.9k points)
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Mark the correct alternative in the following :

If A + B + C = π, then the value of \(\begin{vmatrix} sin(A+B+C) &sin(A+C) & cos\,C \\[0.3em] -sin\,B & 0 &tan\,A \\[0.3em] cos(A+B) & tan(B+C) & 0 \end{vmatrix}\) is equal to

A. 0 

B. 1 

C. 2sin B tan A cos C 

D. none of these

1 Answer

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Best answer

Correct answer : (A)

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