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It is a question of determinants. For question refer to image Q.19

It is a question of determinants. For question refer to image Q.19

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Grade:12

1 Answers

pothamsetty chethan
33 Points
6 years ago
sin(A+B+C)=sin(180)=0
by using,sin(A+C)=sin(180-B)=sinB
The given determinant is of skew symmetric matrix of order3
we know that ,skew symmetric matrixof odd order have determinant equal to0

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