If A+B+C= pi, show that the determinant in the attached image is equal to zero by using properties
If A+B+C= pi, show that the determinant in the attached image is equal to zero by using properties
Govardan Gopakumar , 8 Years ago
Grade 12
Algebra> If A+B+C= pi, show that the determinant i...
3 Answers
mycroft holmes
Last Activity: 8 Years ago
Write the given determinant as
and note that AT = -A (i.e. the matrix is a skew symmetric matrix) and hence the determinant is zero.
i.e.
Rishi Sharma
Last Activity: 4 Years ago
Thanks and Regards
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